<?xml version="1.0" encoding="UTF-8"?>
<!--generator='jetpack-16.3.1'-->
<!--Jetpack_Sitemap_Buffer_Image_XMLWriter-->
<?xml-stylesheet type="text/xsl" href="//advanced-steam.org/image-sitemap.xsl"?>
<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">
 <url>
  <loc>https://advanced-steam.org/customers/</loc>
  <lastmod>2017-07-17T08:28:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/08/customers.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/engineering/</loc>
  <lastmod>2017-07-17T08:28:21Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/08/engineering.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/face/</loc>
  <lastmod>2017-07-17T08:28:24Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/08/face.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/industry-engineering-icon/</loc>
  <lastmod>2017-07-17T08:28:28Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/08/Industry-engineering-icon.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/person/</loc>
  <lastmod>2017-07-17T08:28:33Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/08/person.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/train/</loc>
  <lastmod>2017-07-17T08:28:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/08/train.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/clan-project-study/</loc>
  <lastmod>2017-07-17T09:22:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/08/clantweaked3.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/5at-legacy/</loc>
  <lastmod>2017-07-17T09:22:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/08/locoscompared-Feb05-image.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/kwvr-s160-lempor-exhaust/</loc>
  <lastmod>2017-07-17T09:22:49Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/08/KWVR-S160-No-95280.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/webmaster-chris-newman/</loc>
  <lastmod>2017-07-17T09:22:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/CJEN.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/david-pawson/</loc>
  <lastmod>2017-07-17T09:21:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/David-Pawson.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/iain-jack/</loc>
  <lastmod>2017-07-17T09:22:03Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/Iain-Jack-e1410464173988.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/jamie-keyte/</loc>
  <lastmod>2017-07-17T09:22:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/Jamie_Keyte.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/john-hind/</loc>
  <lastmod>2017-07-17T09:22:09Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/John-Hind.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/paul-hibberd/</loc>
  <lastmod>2017-07-17T09:22:15Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/Paul-Hibberd.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/john-duncan/</loc>
  <lastmod>2017-07-17T09:22:20Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/100_1922b.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/richard-coleby/</loc>
  <lastmod>2017-07-17T09:21:53Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/Richard_Coleby.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/richard-coleby/</loc>
  <lastmod>2017-07-17T09:21:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/Nickel-Plate-Berkshire.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/richard-coleby/</loc>
  <lastmod>2017-07-17T09:21:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/Norfolk-Heroine.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/richard-coleby/</loc>
  <lastmod>2017-07-17T09:21:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/P1000048.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/mike-horne/</loc>
  <lastmod>2017-07-17T09:21:26Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/Mike_Horne.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/webmaster-chris-newman/</loc>
  <lastmod>2017-07-17T09:21:18Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/CJEN-Shaun-at-RT.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/chris-corney/</loc>
  <lastmod>2017-07-17T08:27:15Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/Chris-Corney.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/mexican-tourist-railway/</loc>
  <lastmod>2017-07-17T08:27:24Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2014/09/Yucatan-Route-Map.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/5at-fundamental-design-calculations/</loc>
  <lastmod>2017-07-17T08:27:28Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/05/ASTT-logo-title-1600-x-200-pxl.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/5at-fundamental-design-calculations/</loc>
  <lastmod>2017-07-17T08:27:33Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/05/5AT-FDC-Front-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/5at-fundamental-design-calculations/</loc>
  <lastmod>2017-07-17T08:27:36Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/05/5AT-FDC-Front-Cover1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/5at-fundamental-design-calculations/</loc>
  <lastmod>2017-07-17T08:27:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/05/5AT-FDC-Front-Cover2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/5at-fundamental-design-calculations/</loc>
  <lastmod>2017-07-17T08:26:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/05/5AT-FDC-Front-Cover3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/5at-fundamental-design-calculations/</loc>
  <lastmod>2017-07-17T08:26:54Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/05/5AT-FDC-Front-Cover4.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/5at-fundamental-design-calculations/</loc>
  <lastmod>2017-07-17T08:26:57Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/05/5AT-FDC-Front-Cover5.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:27:04Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/George-V-panel.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/favicon-3/</loc>
  <lastmod>2017-07-17T08:27:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/favicon1.ico</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:27:10Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/IMG_1425.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:26:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/IMG_14601.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:26:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/IMG_14611.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/</loc>
  <lastmod>2017-07-17T08:26:39Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/AST-Group-Meeting-4-Oct-2014.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:26:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/P1050785.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:26:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/P1050786.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:26:39Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/P1050788.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:25:10Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/10/IMG_1478.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:25:05Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/10/IMG_1479.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/george-v-project/</loc>
  <lastmod>2017-07-17T08:25:01Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/10/IMG_1480.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:24:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/04/DSC9594-Crosshead-and-slide-bars-on-KLR-Badger.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:24:36Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/04/Manufacturing-components-for-LNWR-George-V.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:24:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/04/IMG1523-Trial-output-of-crosshead-sensor.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:24:26Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/04/IMG1500-Test-equipment.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/cedric-lodge/</loc>
  <lastmod>2017-07-17T08:24:21Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/04/Cedric-Lodge.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:24:15Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/10/Haworth-Conference-42.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:24:10Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/10/Haworth-Conference-72.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:23:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/10/Haworth-Conference-4-height-250.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:23:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/10/Haworth-Conference-7-height-250.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:23:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/10/Haworth-Conference-height-250.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news/</loc>
  <lastmod>2017-07-17T08:23:40Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/10/IMAG0390.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/5at-feasibility-study/</loc>
  <lastmod>2017-07-17T08:22:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/11/Cover-page-e1480423500483.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/an-introduction-to-large-lap-valves/</loc>
  <lastmod>2017-07-17T08:22:50Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Large-Lap-Valve-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/a-defence-of-the-midlandlms-class-4-0-6-0/</loc>
  <lastmod>2017-07-17T08:22:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Midland-Class-4-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/forum/</loc>
  <lastmod>2017-07-17T08:22:39Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Forum-Replies.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/forum/</loc>
  <lastmod>2017-07-17T08:22:34Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/subscribe-to-topic.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/forum/</loc>
  <lastmod>2017-07-17T08:22:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Topic-Forum.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/forum/</loc>
  <lastmod>2017-07-17T08:22:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Topics.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/forum/</loc>
  <lastmod>2017-07-17T08:22:14Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/New-Topic.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/website-back-end/</loc>
  <lastmod>2017-07-17T08:22:09Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Dashboard.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/website-back-end/</loc>
  <lastmod>2017-07-17T08:22:05Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Changing-Password-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-menu-lao-ke-log-in/</loc>
  <lastmod>2017-07-17T08:22:01Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/AST-Menu-lao-ke-log-in.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-menu-admin-log-in/</loc>
  <lastmod>2017-07-17T08:21:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/AST-Menu-Admin-log-in.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/post-subscription-box/</loc>
  <lastmod>2017-07-17T08:21:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Post-subscription-box.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/website-back-end/</loc>
  <lastmod>2017-07-17T08:21:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/AST-Dashboard-4.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/website-back-end/</loc>
  <lastmod>2017-07-17T08:21:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/AST-Dashboard-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/website-back-end/</loc>
  <lastmod>2017-07-17T08:21:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/AST-Dashboard-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/website-back-end/</loc>
  <lastmod>2017-07-17T08:21:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/AST-Dashboard-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/changing-password-2/</loc>
  <lastmod>2017-07-17T08:21:30Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Changing-Password-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/posts/</loc>
  <lastmod>2017-07-17T08:21:23Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Dashboard-Link.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/preheader-menu/</loc>
  <lastmod>2017-07-17T08:21:16Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Preheader-Menu.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/website-menu-headings/</loc>
  <lastmod>2017-07-17T08:21:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Website-menu-headings.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/post-subscription-box-2/</loc>
  <lastmod>2017-07-17T08:21:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Post-subscription-box-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-menu-lao-ke-log-in-2/</loc>
  <lastmod>2017-07-17T08:21:00Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/AST-Menu-lao-ke-log-in-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-menu-admin-log-in-2/</loc>
  <lastmod>2017-07-17T08:20:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/AST-Menu-Admin-log-in-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/website-front-end/</loc>
  <lastmod>2017-07-17T08:20:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2016/12/Login2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/comments-page/</loc>
  <lastmod>2017-07-17T08:20:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/Comments-page.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/comments-page-participant/</loc>
  <lastmod>2017-07-17T08:20:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/Comments-page-Participant.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/forum/</loc>
  <lastmod>2017-07-17T08:20:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/Forum-add-topic-front-end.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/forum/</loc>
  <lastmod>2017-07-17T08:20:31Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/Topic-Reply.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/add-comment/</loc>
  <lastmod>2017-07-17T08:20:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/Add-comment.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-logo-title-1200-x-200-pxl/</loc>
  <lastmod>2017-07-17T08:20:18Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/AST-logo-title-1200-x-200-pxl.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-logo-title-1200-x-200-pxl-ver-2/</loc>
  <lastmod>2017-07-17T08:19:50Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/AST-logo-title-1200-x-200-pxl-ver-2.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/cropped-ast-logo-title-1200-x-200-pxl-ver-2-png/</loc>
  <lastmod>2017-07-17T08:19:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/cropped-AST-logo-title-1200-x-200-pxl-ver-2.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/chimney-bits-2/</loc>
  <lastmod>2017-07-17T08:19:40Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/Chimney-bits-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5atbar2a/</loc>
  <lastmod>2017-07-17T08:19:36Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/5ATbar2a.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/cylinder-sub-assy/</loc>
  <lastmod>2017-07-17T08:19:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/cylinder-sub-assy.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/clan-2/</loc>
  <lastmod>2017-07-17T08:19:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/clan-2.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/kwvr-s160/</loc>
  <lastmod>2017-07-17T08:19:20Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/KWVR-S160.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-website-header/</loc>
  <lastmod>2017-07-17T08:18:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/AST-website-header.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/obituary-for-alan-fozard/</loc>
  <lastmod>2017-07-17T08:18:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/01/Alan-Fozard.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/agm-and-general-meeting-bury-4th-march-2017/</loc>
  <lastmod>2017-07-17T08:18:47Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/03/AGM.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/phil-girdlestones-ashes-laid-to-rest-at-boston-lodge/</loc>
  <lastmod>2017-07-17T08:18:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/03/Phil-Girdlestones-send-off-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/securing-steams-future-on-network-rail-astt-seminar-10th-may-2017/</loc>
  <lastmod>2017-07-17T08:17:59Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/04/P1030161b.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/the-red-devil-and-other-tales-from-the-age-of-steam/</loc>
  <lastmod>2017-07-17T08:17:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/04/Red-devil-cover-new.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/thermodynamics/thermodynamic-definitions/</loc>
  <lastmod>2017-07-17T08:17:34Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Isenthropic-Nozzle.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/thermodynamics/mollier-diagrams/</loc>
  <lastmod>2017-07-17T08:17:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/mollier-diagram-water_2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/thermodynamics/mollier-diagrams/</loc>
  <lastmod>2017-07-17T08:17:20Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Porta-Compounding-Paper-Fig11.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/thermodynamics/mollier-diagrams/</loc>
  <lastmod>2017-07-17T08:17:13Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/mollier-diagram-5AT-FDC-1.3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/engineering-2/</loc>
  <lastmod>2017-07-17T08:16:50Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/cylinder-sub-assy-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at-9s-500pxl/</loc>
  <lastmod>2017-07-17T08:16:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/5AT-9S-500pxl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5atbar2a-500pxl/</loc>
  <lastmod>2017-07-17T08:16:40Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/5ATbar2a-500pxl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/miscellaneous-1/</loc>
  <lastmod>2017-07-17T08:16:33Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Miscellaneous-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at-14js-500pxl/</loc>
  <lastmod>2017-07-17T08:16:26Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/5AT-14JS-500pxl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/miscellaneous-2/</loc>
  <lastmod>2017-07-17T08:16:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Miscellaneous-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/3d-rod-assembly-500x100/</loc>
  <lastmod>2017-07-17T08:16:14Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/3D-Rod-Assembly-500x100.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-performance-predictions/</loc>
  <lastmod>2017-07-17T08:16:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/5AT-power-to-weight-comparisons.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-performance-predictions/computer-simulation/</loc>
  <lastmod>2022-10-18T19:35:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Fig18-2a.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/piston-load-case-b01-500x200/</loc>
  <lastmod>2017-07-17T08:15:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Piston-Load-Case-B01-500x200.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/frame-assembly-500x200/</loc>
  <lastmod>2017-07-17T08:15:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Frame-assembly-500x200.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/cylinder-sub-assy-500x200/</loc>
  <lastmod>2017-07-17T08:15:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/cylinder-sub-assy-500x200.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/wheels-and-rod-bearings/</loc>
  <lastmod>2017-07-17T08:15:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Wheels-and-rod-bearings.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/piston-3d-500x200/</loc>
  <lastmod>2017-07-17T08:15:10Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Piston-3D-500x200.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/valve-3d-500x200/</loc>
  <lastmod>2017-07-17T08:15:04Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Valve-3D-500x200.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/spring-assy-01/</loc>
  <lastmod>2017-07-17T08:14:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Coil-Spring-Assy-01-500x200.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-features/maintenance-costs/</loc>
  <lastmod>2017-07-17T08:14:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/2-10-2b.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/grate-limit-and-boiler-efficiency/</loc>
  <lastmod>2017-07-17T08:14:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Fig-20-Boiler-Efficiency-vs-Specific-Firing-Rate.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/grate-limit-and-boiler-efficiency/</loc>
  <lastmod>2017-07-17T08:14:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Fig-21-Energy-used-and-lost-from-firebox-ver-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at-website-header-3/</loc>
  <lastmod>2017-07-17T08:14:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/5AT-Website-header.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/cropped-5at-website-header-jpg/</loc>
  <lastmod>2017-07-17T08:14:22Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/cropped-5AT-Website-header.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/grate-limit-and-boiler-efficiency/</loc>
  <lastmod>2017-07-17T08:14:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/equivalent-evaporation-equation.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/piston-vs-caprotti-valves-2/</loc>
  <lastmod>2017-07-17T08:14:09Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/JD-letter-image-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/piston-vs-caprotti-1/</loc>
  <lastmod>2017-07-17T08:13:59Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/FDC.Fig_.4.4a.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/piston-vs-caprotti-valves-3/</loc>
  <lastmod>2017-07-17T08:13:50Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/JD-letter-image-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/piston-vs-caprotti-valves-3/</loc>
  <lastmod>2017-07-17T08:13:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/JD-letter-image-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/piston-vs-caprotti-valves-4/</loc>
  <lastmod>2017-07-17T08:13:27Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/JD-letter-image-4.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/piston-vs-caprotti-valves-4/</loc>
  <lastmod>2017-07-17T08:13:23Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/JD-letter-image-5.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/piston-vs-caprotti-valves-6/</loc>
  <lastmod>2017-07-17T08:13:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/JD-letter-image-6.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/</loc>
  <lastmod>2017-07-17T08:13:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Fig-50-p173.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/feedwater-heating/</loc>
  <lastmod>2017-07-17T08:12:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/5AT-Feedwater-heater-sketch.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/feedwater-heating/</loc>
  <lastmod>2017-07-17T08:12:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Fig-41-Effect-of-Feedwater-Heating-on-Boiler-Output.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/reference-papers/portas-papers/</loc>
  <lastmod>2017-07-17T08:12:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Advanced-Steam-Loco-Development-Book-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/sar-class-19d-no-2644/</loc>
  <lastmod>2017-07-17T08:12:02Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/SAR-19D-No-2644.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/the-red-devil/</loc>
  <lastmod>2017-07-17T08:11:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/3450b1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-favicon/</loc>
  <lastmod>2017-07-17T08:11:49Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/AST-favicon.ico</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at-favicon/</loc>
  <lastmod>2017-07-17T08:11:45Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/5AT-favicon.ico</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/condensationwall-effects/</loc>
  <lastmod>2017-07-17T07:32:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Porta-Power-Equation.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/condensationwall-effects/</loc>
  <lastmod>2017-07-17T08:09:38Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Camden-Porta-Papers-Book-p53-indicator-diagram-revised.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/tractive-effort/</loc>
  <lastmod>2017-07-17T08:09:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Page-499.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/</loc>
  <lastmod>2017-07-17T08:09:18Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Valve-Ports.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/</loc>
  <lastmod>2017-07-17T08:09:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Indicator-diagram-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/</loc>
  <lastmod>2017-07-17T08:09:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Valve-Lap.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/</loc>
  <lastmod>2017-07-17T08:09:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Valve-Lead.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/grate-limit-and-boiler-efficiency/</loc>
  <lastmod>2017-07-17T07:31:49Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/05/Equiv-Evap-formula.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/red-devil-book-a-review/</loc>
  <lastmod>2017-07-17T08:08:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/3450c.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/red-devil-book-a-review/</loc>
  <lastmod>2017-07-17T08:08:49Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Red-devil-cover-small.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-features/valves-and-steamchest/</loc>
  <lastmod>2017-07-17T08:08:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Smokebox-Saddle-and-Cylinders.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/</loc>
  <lastmod>2017-07-17T08:08:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/SR277-Staghurst-Letter.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/indonesian-8ata-500pxl/</loc>
  <lastmod>2017-07-17T08:08:22Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Indonesian-8ATa-500pxl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/indonesian-8atb-500pxl/</loc>
  <lastmod>2017-07-17T09:19:49Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Indonesian-8ATb-500pxl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/swscan00019-500pxl/</loc>
  <lastmod>2017-07-17T08:08:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/SWScan00019-500pxl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/swscan00190-500pxl/</loc>
  <lastmod>2017-07-17T08:08:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/SWScan00190-500pxl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/8att-2-500pxl/</loc>
  <lastmod>2017-07-17T08:08:03Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/8ATT-2-500pxl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/0605-500pxl/</loc>
  <lastmod>2017-07-17T08:08:00Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/0605-500pxl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/8at-500pxl-2/</loc>
  <lastmod>2017-07-17T08:07:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/8AT-500pxl-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/optional-strategies/8at-2-8-0/</loc>
  <lastmod>2017-07-17T08:07:52Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/8AT-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/optional-strategies/8att-2-8-4t/</loc>
  <lastmod>2017-07-17T08:07:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/8ATT-2-150dpi.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/</loc>
  <lastmod>2017-07-17T08:07:39Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Coefficient-of-Friction.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-features/adhesion-sanding/</loc>
  <lastmod>2017-07-17T07:31:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Porta-on-Slipping.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-features/adhesion-sanding/</loc>
  <lastmod>2017-07-17T08:07:23Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/5AT-Tractive-Force-Diagram.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-website/</loc>
  <lastmod>2017-07-17T08:07:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Old-5AT-Website-Format.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-website/</loc>
  <lastmod>2017-07-17T08:07:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/2010-website-format.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modernising-options/boosting-loco-performance/</loc>
  <lastmod>2017-07-17T07:31:38Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Porta-Power-Equation.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-and-the-environment/emissions/</loc>
  <lastmod>2017-07-17T08:06:47Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/New-Scientist-Pollution.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-and-the-environment/</loc>
  <lastmod>2017-07-17T08:06:39Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Diesel-Smoke-small.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-vs-5mt/</loc>
  <lastmod>2017-07-17T08:06:34Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/locoscompared-Feb05-image.gif</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/5at-vs-5mt/</loc>
  <lastmod>2017-07-17T08:06:24Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/5AT-vs-5MT-chart.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/steam-chest/</loc>
  <lastmod>2017-07-17T08:05:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/5at-steam-chest.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/steam-chest/</loc>
  <lastmod>2017-07-17T08:05:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-32.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/find-out-more/</loc>
  <lastmod>2017-07-17T08:11:36Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Find-out-more.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/power-and-indicator-diagrams/</loc>
  <lastmod>2017-07-17T08:05:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Porta-Power-Equations.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/power-and-indicator-diagrams/</loc>
  <lastmod>2017-07-17T08:05:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Indicator-diagram.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/power-and-indicator-diagrams/</loc>
  <lastmod>2017-07-17T08:05:18Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Page-499.jpg-TE_Curves_Removed.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/specific-steam-consumption/</loc>
  <lastmod>2017-07-17T08:05:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Power-Equation.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/specific-steam-consumption/</loc>
  <lastmod>2017-07-17T08:05:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Porta-Compounding-Paper-Fig-32.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/specific-steam-consumption/</loc>
  <lastmod>2017-07-17T08:04:59Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/DB-SSC-equation.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/resistance/</loc>
  <lastmod>2017-07-17T08:04:54Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Serbian-Train-Resistance-Paper-Page-6.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/resistance/</loc>
  <lastmod>2017-07-17T08:04:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Train-Resistance-Equations-and-Curves.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/kordina/</loc>
  <lastmod>2017-07-17T08:04:38Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-16-Kordina.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/kordina/</loc>
  <lastmod>2017-07-17T08:04:30Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Fig-12.5.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/kordina/</loc>
  <lastmod>2017-07-17T08:04:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Kordina.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/motion/</loc>
  <lastmod>2017-07-17T08:04:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/5AT-Motion-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/reuleaux-diagram/</loc>
  <lastmod>2017-07-17T08:04:02Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Reuleaux-Diagram-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/reuleaux-diagram/</loc>
  <lastmod>2017-07-17T08:03:57Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Reuleaux-Diagram-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/reuleaux-diagram/</loc>
  <lastmod>2017-07-17T08:03:45Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Reuleaux-Diagram-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/reuleaux-diagram/</loc>
  <lastmod>2017-07-17T08:03:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Reuleaux-Diagram-4.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/reuleaux-diagram/</loc>
  <lastmod>2017-07-17T08:03:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Reuleaux-Diagram-5.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/reuleaux-diagram/</loc>
  <lastmod>2017-07-17T08:03:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Reuleaux-Diagram-5-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/valves-valve-gear-etc/reuleaux-diagram/</loc>
  <lastmod>2017-07-17T08:03:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Reuleaux-Diagram-6-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/bypass-valves/</loc>
  <lastmod>2017-07-17T08:03:20Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-32-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/bypass-valves/</loc>
  <lastmod>2017-07-17T08:03:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-45.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/balancing-hammer-blow/</loc>
  <lastmod>2017-07-17T08:03:05Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/image002.gif</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/combustion-air/</loc>
  <lastmod>2017-07-17T08:02:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/QJ-No-8001.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/superheating/</loc>
  <lastmod>2017-07-17T08:02:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/35029-cut-away-at-NRM.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/superheating/</loc>
  <lastmod>2017-07-17T08:02:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/LMS-4-6-0-Cut-Away-Drawing.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/superheating/</loc>
  <lastmod>2017-07-17T08:02:28Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/LMS-4-6-0-Cut-Away-Drawing-small.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/clearance-volume/</loc>
  <lastmod>2017-07-17T08:02:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Clearance-Volume.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/clearance-volume/</loc>
  <lastmod>2017-07-17T08:02:10Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Camden-Porta-Papers-Book-Fig-19.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/triangular-losses/</loc>
  <lastmod>2017-07-17T08:02:04Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Triangular-Losses.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/triangular-losses/</loc>
  <lastmod>2017-07-17T08:02:00Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Camden-Porta-Papers-Book-p61-Fig-8.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/triangular-losses/</loc>
  <lastmod>2017-07-17T08:01:52Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Admission-Losses.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/incomplete-expansion/</loc>
  <lastmod>2017-07-17T08:01:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Camden-Porta-Papers-Book-p53-indicator-diagram-revised.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/steam-loco-definitions/exhausts/</loc>
  <lastmod>2017-07-17T08:01:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Indicator-Diagram-Comparison-5.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/audio-visuals/sar-recordings/</loc>
  <lastmod>2017-07-17T08:01:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-59.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/audio-visuals/sar-recordings/</loc>
  <lastmod>2017-07-17T08:01:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-9.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/audio-visuals/sar-recordings/</loc>
  <lastmod>2017-07-17T08:01:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Frontpiece.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/andre-chapelon/</loc>
  <lastmod>2017-07-17T08:00:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/241p9-Chapelon-Guitres.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/andre-chapelon/</loc>
  <lastmod>2017-07-17T08:00:53Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Chapelon-by-Rogers.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/andre-chapelon/</loc>
  <lastmod>2017-07-17T09:18:20Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Chapelon-La-Locomotive-a-Vapeur-cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/david-wardale/</loc>
  <lastmod>2017-07-17T08:00:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Wardale.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/david-wardale/</loc>
  <lastmod>2017-07-17T08:00:38Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Porta-Wardale-b2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/livio-dante-porta/</loc>
  <lastmod>2017-07-17T08:00:20Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/2-10-2b.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-07-17T08:00:14Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/LindaPorthmadogLayover1985.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-07-17T08:00:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/ACR-No-141.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-07-17T08:00:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Russian-P36-No-0032.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-07-17T08:00:03Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/FCAF-No-5-Ing-H.-R.-Zubieta.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-07-17T07:59:57Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/19D.2644-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-07-17T07:59:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/19D.2644.drawing.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-07-17T07:59:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Sample19D.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-07-17T07:59:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Girdlestone-R711.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/</loc>
  <lastmod>2017-07-17T07:59:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Dragons-front-cover-8-for-website.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/the-alpha-coefficient/</loc>
  <lastmod>2017-07-17T07:59:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Alpha-Equation.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/compound-expansion/</loc>
  <lastmod>2017-07-17T07:59:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Camden-Porta-Papers-Book-p69-fig10.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/compound-expansion/</loc>
  <lastmod>2017-07-17T07:59:23Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Camden-Porta-Papers-Book-p71-fig12.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/compound-expansion/</loc>
  <lastmod>2017-07-17T07:59:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Porta-Compound-Starting-Valve.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/chapelon-by-col-rogers/</loc>
  <lastmod>2017-07-17T07:59:01Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Chapelon-book-cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/enhanced-valve-events/</loc>
  <lastmod>2017-07-17T07:58:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Indicator-diagram-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/enhanced-valve-events/</loc>
  <lastmod>2017-07-17T07:58:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Porta-Optimum-Lead.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/enhanced-valve-events/</loc>
  <lastmod>2017-07-17T07:58:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Fig-46-p171-marked-up.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/enhanced-valve-events/</loc>
  <lastmod>2017-07-17T07:58:31Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Ring-Controlled-Valve-Event.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/franklin-wedges/</loc>
  <lastmod>2017-07-17T07:58:26Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/5AT-Wedges.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/internal-streamlining/</loc>
  <lastmod>2017-07-17T07:58:27Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Port-streamlining-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/internal-streamlining/</loc>
  <lastmod>2017-07-17T07:58:02Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Port-streamlining-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/engine-tender-buffering/</loc>
  <lastmod>2017-07-17T07:57:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Franklin-Buffer.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/lubrication-and-tribology/</loc>
  <lastmod>2017-07-17T07:57:47Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Porta-Tribology-Fig-01.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/piston-valve-design/</loc>
  <lastmod>2017-07-17T07:57:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Porta-A1-Proposal-Fig-34.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/piston-valve-design/</loc>
  <lastmod>2017-07-17T07:44:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-31.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/piston-valve-design/</loc>
  <lastmod>2017-07-17T07:44:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-28.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/piston-valve-design/</loc>
  <lastmod>2017-07-17T07:56:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-29.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/piston-valve-design/</loc>
  <lastmod>2017-07-17T07:56:57Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Fig.7.1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/principles-of-modern-steam/piston-valve-rod/</loc>
  <lastmod>2017-07-17T07:44:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Plate-35.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/rio-turbio-railway/</loc>
  <lastmod>2017-07-17T09:17:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Coal-Train-Pategonia.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/rio-turbio-railway/</loc>
  <lastmod>2017-07-17T07:56:01Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/RFIRT-Gradients.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/rio-turbio-railway/</loc>
  <lastmod>2017-07-17T07:56:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/McMahon-and-Newman-at-Rio-Turbio.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/fcgb-4-8-2-no-1802/</loc>
  <lastmod>2017-07-17T07:56:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/FCGB-4-8-2-No-1802.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/dlm-52-8055/</loc>
  <lastmod>2017-07-17T07:56:22Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/52-8055-logo.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/dlm-52-8055/</loc>
  <lastmod>2017-07-17T07:56:26Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/52-8055-in-Zurich-HB-smaller.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/dlm-52-8055/</loc>
  <lastmod>2017-07-17T07:55:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/528055SR291.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/dlm-52-8055/</loc>
  <lastmod>2017-07-17T07:55:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/52-8055-before-rebuild.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/dlm-52-8055/</loc>
  <lastmod>2017-07-17T07:55:28Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/52-8055-on-Orient-Express.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/dlm-rack-tanks/</loc>
  <lastmod>2017-07-17T07:55:34Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/BRB-Rack-Tank.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/ss-montreux/</loc>
  <lastmod>2017-07-17T07:55:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/montr-02.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/fcaf-garratt-no-2/</loc>
  <lastmod>2017-07-17T07:55:47Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Foto-Pocai1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/fcaf-garratt-no-2/</loc>
  <lastmod>2017-07-17T07:55:10Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/FCAF-No-2-before-modification.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/fcaf-no-5-ing-h-r-zubieta-2/</loc>
  <lastmod>2017-07-17T07:55:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/FCAF-No-5-Ing-H.-R.-Zubieta-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/fcaf-garratt-no-2/</loc>
  <lastmod>2017-07-17T07:54:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Shauns-Picks-3a.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/ian-gaylor/</loc>
  <lastmod>2017-07-17T07:54:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Ian.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/ian-screeton/</loc>
  <lastmod>2017-07-17T07:55:03Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Ian_Screeton.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/manuel-ramos/</loc>
  <lastmod>2017-07-17T07:54:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Manuel-Ramos.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/ian-screeton/</loc>
  <lastmod>2017-07-17T07:54:34Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Badger.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/ian-screeton/</loc>
  <lastmod>2017-07-17T07:54:31Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Fox.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/ian-screeton/</loc>
  <lastmod>2017-07-17T07:54:22Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Owl.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/ian-screeton/</loc>
  <lastmod>2017-07-17T07:54:15Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Hawk.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/engineering-2/5at-fdcs/notes-on-fdc-18/</loc>
  <lastmod>2017-07-17T07:44:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Fig18-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/5at-project/the-5at-introduction/</loc>
  <lastmod>2017-07-17T07:43:31Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/5AT-drawing-Feb-05-no-lines.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/advanced-steam-loco-development/</loc>
  <lastmod>2017-07-17T07:43:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Advanced-Steam-Loco-Development-Book-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/broader-than-broad/</loc>
  <lastmod>2017-07-17T07:43:45Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Broader-than-broad.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/bulleid-and-the-turf-burner/</loc>
  <lastmod>2017-07-17T07:43:49Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Bulleid-and-the-turf-burner-cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/camels-and-cadillacs/</loc>
  <lastmod>2017-07-17T07:43:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Camels-and-Cadillacs-Flyer_ZA.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/compound-locomotives/</loc>
  <lastmod>2017-07-17T07:43:18Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Compound-Locomotives-book-cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/fowlers-fury/</loc>
  <lastmod>2017-07-17T07:53:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Fowlers-Fury.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/how-a-steam-loco-works/</loc>
  <lastmod>2017-07-17T07:43:03Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/How-a-Steam-Locomotive-Works-by-Dominic-Wells.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/how-a-steam-loco-works/</loc>
  <lastmod>2017-07-17T07:53:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/How-a-Steam-Locomotive-Works-by-Dominic-Wells-sample-page.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/how-a-steam-loco-works/</loc>
  <lastmod>2017-07-17T07:53:40Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/How-a-Steam-Locomotive-Works-by-Dominic-Wells-sample-page-thumbnail.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/hush-hush-the-story-of-lner-10000/</loc>
  <lastmod>2017-07-17T07:42:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Hush-Hush-book-cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/the-fire-burns-much-better/</loc>
  <lastmod>2017-07-17T07:53:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Koopmans-book-cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/simulation-software-packages/prof-bill-halls-software/</loc>
  <lastmod>2017-07-17T07:53:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/bill1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/simulation-software-packages/prof-bill-halls-software/</loc>
  <lastmod>2017-07-17T07:53:14Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Bill-Hall.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/simulation-software-packages/prof-bill-halls-software/</loc>
  <lastmod>2017-07-17T07:53:10Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/bill3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/simulation-software-packages/allan-wallaces-software/</loc>
  <lastmod>2017-07-17T07:53:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Allan_Wallace.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/5at-feasibility-study/</loc>
  <lastmod>2017-07-17T07:52:59Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/5AT-FS-Front-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/page-457-table-78/</loc>
  <lastmod>2017-07-17T07:52:23Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Page-457-Table-78.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/page-501/</loc>
  <lastmod>2017-07-17T07:52:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Page-501.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/page-499-with-power-curves-removed/</loc>
  <lastmod>2017-07-17T07:57:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Page-499-with-power-curves-removed.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/thermodynamics/mollier-diagrams/</loc>
  <lastmod>2017-07-17T07:47:21Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/mollier-diagram-5AT-FDC-1.3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at-feedwater-heater-pipes/</loc>
  <lastmod>2017-07-17T07:41:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/07/5AT-Feedwater-heater-pipes.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-website-changing-password/</loc>
  <lastmod>2017-07-17T07:27:09Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/07/AST-Website-Changing-Password.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-5at-website-sections/</loc>
  <lastmod>2017-08-22T11:54:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/08/5AT-Website-Heading.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-5at-website-sections/</loc>
  <lastmod>2017-08-22T11:55:27Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/08/ASTT-Website-Heading.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2017-autumn-conference-a-great-success/</loc>
  <lastmod>2017-10-08T14:53:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/10/DSC06106a-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2017-autumn-conference-a-great-success/</loc>
  <lastmod>2017-10-08T14:53:18Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/10/DSC06105-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/4357-2/</loc>
  <lastmod>2017-10-24T16:12:13Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/10/Haigh-Loco-Boilers-for-21st-Century.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/references/books-and-publications/locomotive-boilers-by-alan-haigh/</loc>
  <lastmod>2017-10-24T16:16:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/10/Haigh-boiler-book-cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-11-11T01:50:04Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/Phil-Girdlestone.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/phil-girdlestone/</loc>
  <lastmod>2017-11-11T03:03:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/06/DSC04556.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/fig-27/</loc>
  <lastmod>2017-11-11T09:42:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/11/Fig-27.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/happy-christmas-and-membership-renewals/</loc>
  <lastmod>2017-12-20T12:14:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2017/12/AST-Trust-Xmas-logo.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/shaun-mcmahon/</loc>
  <lastmod>2018-03-23T14:40:09Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/03/Shaun-and-ChrisParrott.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/shaun-mcmahon/</loc>
  <lastmod>2018-03-22T14:54:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/03/Shaun-at-work.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/shaun-mcmahon/</loc>
  <lastmod>2018-03-22T14:55:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/03/Shauns-Picks-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/shaun-mcmahon/</loc>
  <lastmod>2018-03-22T14:55:28Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/03/Shauns-Picks-3a.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/nigel-day-completes-the-rebuilding-of-river-esk/</loc>
  <lastmod>2018-05-02T16:09:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/DSC07141.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/nigel-day-completes-the-rebuilding-of-river-esk/</loc>
  <lastmod>2018-05-03T09:42:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/DSC07142.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/nigel-day-completes-the-rebuilding-of-river-esk/</loc>
  <lastmod>2018-05-02T16:10:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/DSC07145.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/nigel-day-completes-the-rebuilding-of-river-esk/</loc>
  <lastmod>2018-05-02T16:11:20Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/DSC07146.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/nigel-day-completes-the-rebuilding-of-river-esk/</loc>
  <lastmod>2018-05-02T16:19:40Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/DSC07135.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/nigel-day-completes-the-rebuilding-of-river-esk/</loc>
  <lastmod>2018-05-02T16:28:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/DSC07143-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/news-from-china/</loc>
  <lastmod>2018-05-02T21:43:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/Gas-fuelled-QJ.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/nigel-day/</loc>
  <lastmod>2018-05-03T09:39:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/Snowdon.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/nigel-day/</loc>
  <lastmod>2018-05-03T09:41:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/Puffing-Billy-6A.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2018-agm/</loc>
  <lastmod>2018-05-04T16:36:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/2018-AGM.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/roger-waller/</loc>
  <lastmod>2018-05-19T17:52:00Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/100_0597.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/roger-waller/</loc>
  <lastmod>2018-05-19T16:22:10Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/52-8055-on-Orient-Express.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/roger-waller/</loc>
  <lastmod>2018-05-19T16:22:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/montr-02.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/roger-waller/</loc>
  <lastmod>2018-05-19T16:25:34Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/DSCF3530.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/roger-waller/</loc>
  <lastmod>2018-05-19T16:53:59Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/05/Puffing-Billy-No-14A.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/david-wardale/</loc>
  <lastmod>2018-06-18T16:30:57Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/06/Wardale.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/roger-waller/</loc>
  <lastmod>2018-07-03T10:59:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/07/Breithorn.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/red-devil-returns-to-steam/</loc>
  <lastmod>2018-07-13T08:34:53Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/07/red-devil-v.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/red-devil-returns-to-steam/</loc>
  <lastmod>2018-07-13T08:35:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/07/red-devil-v-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/762-lyn-design-calculations/</loc>
  <lastmod>2024-02-14T14:23:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/09/762-Cover-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/2018-conference-bury/</loc>
  <lastmod>2018-10-04T08:42:14Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/10/conference-montage.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/robin-barnes-new-book-now-available/</loc>
  <lastmod>2024-02-14T14:23:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/10/FTF-COVER_large.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/co2-powered-steam-locos-in-china/</loc>
  <lastmod>2018-10-16T21:01:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/10/Tianjin-SY-with-CO2-tank.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/co2-powered-steam-locos-in-china/</loc>
  <lastmod>2018-10-16T21:13:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/10/Tianjin-SY-with-CO2-tank-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/manuel-ramos/</loc>
  <lastmod>2018-11-18T10:33:02Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/11/Manuel-and-CP0186-in-Contumil-Porto-Portugal.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/technical-terms/thermodynamics/mollier-diagrams/</loc>
  <lastmod>2018-12-28T15:52:49Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2018/12/Pressure-enthalpy-diagram.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/modern-steam-miscellany/portas-locomotive-no-1802/</loc>
  <lastmod>2019-01-17T12:53:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/01/volcanjuly131971.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/forum-attachments/</loc>
  <lastmod>2019-02-26T15:10:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/02/Forum-attachments.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2019-agm-2/</loc>
  <lastmod>2019-07-20T10:41:31Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/03/2019-AGM-Attendees-numbered.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2019-agm-2/</loc>
  <lastmod>2019-03-03T22:12:53Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/03/Jamies-model.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2019-agm-2/</loc>
  <lastmod>2019-03-03T22:15:24Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/03/2019-AGM-Caprotti.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2019-agm-2/</loc>
  <lastmod>2019-07-20T10:41:27Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/03/Patriot-Chassis-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2019-agm-2/</loc>
  <lastmod>2019-07-20T10:41:16Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/03/2019-AGM-Caprotti-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2019-agm-2/</loc>
  <lastmod>2019-07-20T10:41:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/03/2019-AGM-Caprotti-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/confernce-slider/</loc>
  <lastmod>2019-03-18T22:50:52Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/03/Confernce-slider.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/publishing-slider/</loc>
  <lastmod>2019-07-20T10:40:33Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/03/Publishing-slider.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/publishing-fan-slider/</loc>
  <lastmod>2019-07-20T10:40:22Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/03/Publishing-fan-slider.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/te-formula/</loc>
  <lastmod>2019-07-20T10:39:00Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/07/TE-formula.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/james-conway/</loc>
  <lastmod>2019-07-20T10:38:36Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/07/James-Conway.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/james-conway/</loc>
  <lastmod>2019-07-20T10:38:31Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/07/SL-DE-21669-Pony-Truck-Frame-10.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/james-conway/</loc>
  <lastmod>2019-07-20T10:38:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/07/Frame-Assembly-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/james-conway/</loc>
  <lastmod>2019-07-30T11:02:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/07/C637-9.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/james-conway/</loc>
  <lastmod>2019-07-30T11:02:53Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/07/Z6646-212-A-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/porta-papers-vol-1-cover/</loc>
  <lastmod>2024-02-14T14:23:38Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/08/Porta-Papers-Vol-1-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/selection-of-papers-by-l-d-porta-volume-2/</loc>
  <lastmod>2024-02-14T14:23:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/09/LS-Cover-sized-for-template-Rev-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/selection-of-papers-by-l-d-porta-volume-2/</loc>
  <lastmod>2019-09-11T09:04:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/09/LS-Front-Cover-sized-for-template-Rev-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/</loc>
  <lastmod>2019-10-07T20:08:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/10/Group-Photo-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/new-build-steam-in-china/</loc>
  <lastmod>2019-10-26T11:45:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/10/2015-C2-Locomotive.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/new-build-steam-in-china/</loc>
  <lastmod>2019-10-26T12:30:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/10/No-2-11.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2019-11-17T13:45:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/11/from-Jamie-Keytes-2019-Presentation.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2019-11-17T13:45:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2019/11/from-Mike-Hornes-2019-Presentation.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/biofuel-testing/</loc>
  <lastmod>2020-01-09T16:29:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/01/Wood-briquettes.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/biofuel-testing/</loc>
  <lastmod>2020-01-09T16:34:31Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/01/Torrified-Wood.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/biofuel-testing/</loc>
  <lastmod>2025-11-26T18:46:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/01/Biofuel-Samples.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/biofuel-testing/</loc>
  <lastmod>2020-01-09T16:39:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/01/Curwen-Atlantic.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/biofuel-testing/</loc>
  <lastmod>2020-01-09T16:44:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/01/Checking-firebed-temperatures.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/biofuel-testing/</loc>
  <lastmod>2020-01-09T16:45:30Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/01/WWR.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/biofuel-testing/</loc>
  <lastmod>2020-01-09T18:48:50Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/01/Fuel-Samples-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2020-01-09T18:48:13Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/01/DSC01052.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/2005-07-21-koopmans-to-wardale/</loc>
  <lastmod>2020-04-26T12:46:52Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/04/2005-07-21-Koopmans-to-Wardale.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members-astts-2020-agm-2020-agm-presentations/</loc>
  <lastmod>2020-05-01T17:21:45Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/05/Revolutionbanner.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members-astts-2020-agm-2020-agm-presentations/</loc>
  <lastmod>2020-05-01T17:35:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/05/Revolutioncylinderbanner.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members-astts-2020-agm-2020-agm-presentations/</loc>
  <lastmod>2020-05-01T17:58:14Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/05/Revolutionoptionsbanner.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members-astts-2020-agm-2020-agm-presentations/</loc>
  <lastmod>2020-05-01T17:59:57Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/05/Revolutionoptionsbanner-1.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/revolutionoptionsbanner-3/</loc>
  <lastmod>2020-05-01T18:03:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/05/Revolutionoptionsbanner-2.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members-astts-2020-agm-2020-agm-presentations/</loc>
  <lastmod>2020-05-01T18:06:17Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/05/Revolutionoptionsbanner.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members-astts-2020-agm-2020-agm-presentations/</loc>
  <lastmod>2025-11-26T18:45:41Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/05/revolution-0520.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/porta-papers-vol-3-members-payment-page/</loc>
  <lastmod>2021-03-02T15:10:52Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2020/12/Porta-Paper-Vol-3b-Front-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ds-spiez/</loc>
  <lastmod>2021-02-26T18:27:24Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2021/02/DS-Spiez.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/roger-waller/</loc>
  <lastmod>2021-02-26T19:02:22Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2021/02/Roger-Waller.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/further-bio-coal-trials-at-the-bure-valley-railway/</loc>
  <lastmod>2022-01-23T11:16:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/01/No.-6-Bickling-Hall.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/further-bio-coal-trials-at-the-bure-valley-railway/</loc>
  <lastmod>2022-01-23T11:16:36Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/01/Ffos-y-fran-in-the-firebox.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/further-bio-coal-trials-at-the-bure-valley-railway/</loc>
  <lastmod>2022-01-23T11:16:52Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/01/Ecoal50-in-the-firebox.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/further-bio-coal-trials-at-the-bure-valley-railway/</loc>
  <lastmod>2022-01-23T11:17:09Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/01/No.-6-Bickling-Hall-coming-on-shed.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/further-bio-coal-trials-at-the-bure-valley-railway/</loc>
  <lastmod>2022-01-23T11:17:22Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/01/No.-1-Wroxham-Broad.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/further-bio-coal-trials-at-the-bure-valley-railway/</loc>
  <lastmod>2022-01-23T11:20:49Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/01/No.-6-Bickling-Hall-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/further-bio-coal-trials-at-the-bure-valley-railway/</loc>
  <lastmod>2022-01-23T11:21:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/01/Ffos-y-fran-in-the-firebox-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/further-bio-coal-trials-at-the-bure-valley-railway/</loc>
  <lastmod>2022-01-23T11:22:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/01/Ecoal50-in-the-firebox-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/5at/modern-steam/practitioners-of-modern-steam/shaun-mcmahon/</loc>
  <lastmod>2022-02-04T10:47:57Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/02/Shaun-McMahon-2005.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/shaun-mcmahon-1964-2022/</loc>
  <lastmod>2022-02-04T11:00:01Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/02/Shaun-McMahon-2005-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/porta-anthology-2-front-cover-reduced/</loc>
  <lastmod>2022-02-18T20:29:02Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/02/Porta-Anthology-2-Front-Cover-reduced.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ufaqs/compound-expansion/</loc>
  <lastmod>2022-05-15T14:31:38Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/05/Equation-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ufaqs/compound-expansion/</loc>
  <lastmod>2022-05-15T14:50:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/05/Equation-4.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ufaqs/compound-expansion/</loc>
  <lastmod>2022-05-15T14:49:39Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/05/Equation-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ufaqs/compound-expansion/</loc>
  <lastmod>2022-05-15T14:45:38Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/05/Equation-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ufaqs/compound-expansion/</loc>
  <lastmod>2022-05-15T15:12:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/05/Equation-5.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/equation-6/</loc>
  <lastmod>2022-05-16T09:18:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/05/Equation-6.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ufaqs/compound-expansion/</loc>
  <lastmod>2022-05-16T13:47:53Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/05/Equation-8.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/equation-7/</loc>
  <lastmod>2022-05-16T09:19:00Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/05/Equation-7.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2022-conference-darlington-15-16-october/</loc>
  <lastmod>2024-10-18T17:59:24Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/10/A1-Steam-Workshop.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2021-annual-conference/</loc>
  <lastmod>2024-10-18T17:59:39Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/10/Loughborough-Dinner-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2022-conference-darlington-15-16-october/</loc>
  <lastmod>2024-10-18T17:59:14Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/10/IMG_20221015_214834563.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2022-conference-darlington-15-16-october/</loc>
  <lastmod>2024-10-18T18:02:16Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/10/IMG_20221015_214914219.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/revolution-slider/</loc>
  <lastmod>2023-03-11T10:56:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/10/Revolution-slider.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/revolution-slider-2/</loc>
  <lastmod>2023-03-11T10:56:09Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2022/10/Revolution-slider-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/rt-location-map/</loc>
  <lastmod>2023-02-06T12:44:14Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/02/RT-Location-Map.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/rt-location-map-bw/</loc>
  <lastmod>2023-02-06T12:48:30Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/02/RT-Location-Map-BW.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2025-11-26T18:44:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/96316956-c673-4544-9b9f-4bc2bf59b9b8.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2023-03-11T10:55:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/A2b-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/20/</loc>
  <lastmod>2023-03-11T10:59:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/20.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/frame-22/</loc>
  <lastmod>2023-03-11T10:59:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/Frame-22.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/rvln-cyl-100-cylinder-welded-assembly-03/</loc>
  <lastmod>2023-03-11T10:59:31Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/RVLN-CYL-100-Cylinder-Welded-Assembly-03.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/valve-gear-assembly-031122/</loc>
  <lastmod>2023-03-11T10:59:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/valve-gear-assembly-031122.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/xhead-assy-with-type-2-v-rollers-front-view-100322/</loc>
  <lastmod>2023-03-11T10:59:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/xhead-assy-with-type-2-v-rollers-front-view-100322.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/03ac6789-f41f-42d1-a993-0e528c44e8d6/</loc>
  <lastmod>2023-03-11T10:59:13Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/03ac6789-f41f-42d1-a993-0e528c44e8d6.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2023-03-11T11:05:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/Montage-of-drawing1-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2023-03-11T11:18:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/Montage-of-wheels1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2023-03-11T11:39:27Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/Frame-montage-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2023-03-11T11:46:14Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/3D-Montage.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/alex-powell-committee-member-and-trustee/</loc>
  <lastmod>2023-03-13T17:24:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/Alex-Powell.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/alex-powell-committee-member-and-trustee/</loc>
  <lastmod>2023-03-13T17:32:08Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/39f30565-29b7-448c-b47a-42ec75bdc0b0.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/alex-powell-committee-member-and-trustee/</loc>
  <lastmod>2023-03-13T17:38:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/Alex-Powell-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/iain-mccall/</loc>
  <lastmod>2023-03-26T14:19:04Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/03/Iain-McCall-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/help-ukraine-and-save-a-diesel/</loc>
  <lastmod>2023-05-01T13:30:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/05/ESU2a-locomotive.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/help-ukraine-and-save-a-diesel/</loc>
  <lastmod>2023-05-03T15:36:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/05/20230218_104806.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/reminiscences-of-a-trainspotter/</loc>
  <lastmod>2024-10-18T17:17:27Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/05/Trainspotter-Front-Cover-small.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/l-d-porta-centennial-anthology-vol-2/</loc>
  <lastmod>2023-08-17T13:59:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/08/Porta-Anthology-Vol2-front-cover-reduced.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/ast-conference-records/2023-conference/</loc>
  <lastmod>2025-11-26T18:44:21Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/10/DSC03308.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/ast-conference-records/2023-conference/</loc>
  <lastmod>2024-10-18T18:11:03Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/10/DSC03305.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/ast-conference-records/2023-conference/</loc>
  <lastmod>2024-10-18T18:10:59Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/10/DSC03306.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/ast-conference-records/2023-conference/</loc>
  <lastmod>2024-10-18T18:10:56Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/10/DSC03348-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/revolutions-rolling-chassis-successfully-tested-at-stapleford-23-sept-2023/</loc>
  <lastmod>2025-11-26T18:44:09Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/10/Chassis-under-load.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/volume-2-of-astts-porta-centennial-compendium-now-available-for-sale/</loc>
  <lastmod>2023-10-17T20:35:01Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/10/Porta-Anthology-Vol2-front-cover-small.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/biofuel-testing/</loc>
  <lastmod>2023-11-02T17:31:05Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2023/11/BVR-No-6.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/?p=6371</loc>
  <lastmod>2024-10-18T17:17:08Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/02/Trainspotter-Front-Cover-small.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/?p=6379</loc>
  <lastmod>2024-10-18T17:17:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/02/Porta-Paper-Vol-3b-Front-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/?p=6378</loc>
  <lastmod>2024-10-18T17:16:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/02/LS-Front-Cover-sized-for-template-Rev-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/?p=6377</loc>
  <lastmod>2024-10-18T17:16:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/02/Porta-Papers-Vol-1-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/?p=6375</loc>
  <lastmod>2024-10-18T17:16:38Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/02/Porta-Anthology-Vol2-front-cover-reduced.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/?p=6373</loc>
  <lastmod>2024-10-18T17:16:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/02/Porta-Anthology-2-Front-Cover-reduced.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/?p=6507</loc>
  <lastmod>2024-10-18T17:16:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/02/Cover-page-e1480423500483.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/?p=6505</loc>
  <lastmod>2024-10-18T17:16:27Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/02/5AT-FDC-Front-Cover4-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2024-agm/</loc>
  <lastmod>2024-03-04T22:33:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/03/AGM-attendance.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/physiology-of-the-locomotive-boiler-vol1/</loc>
  <lastmod>2024-07-20T11:47:49Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/07/Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/front-cover-v06082024-fogra39-hard-cover-version-isbn-978-1-8360-2739-3-3/</loc>
  <lastmod>2024-08-12T12:08:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/08/Front-Cover-v06082024-FOGRA39-Hard-Cover-Version-ISBN-978-1-8360-2739-3-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/selection-of-papers-by-l-d-porta-and-others-volume-4/</loc>
  <lastmod>2024-08-12T13:19:15Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/08/Front-Cover-v07082024-FOGRA39-Soft-Cover-Version-ISBN-978-163752195-3-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/2024-conference-derby-5th-6th-october/</loc>
  <lastmod>2024-10-18T17:15:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/10/PRCLT-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2024-conference-derby-5-6-oct-2024/</loc>
  <lastmod>2024-10-26T11:44:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/10/6233-wheels-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2024-conference-derby-5-6-oct-2024/</loc>
  <lastmod>2024-10-26T11:49:34Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/10/6233-front-end-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2024-conference-derby-5-6-oct-2024/</loc>
  <lastmod>2024-10-26T11:49:34Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/10/6233-rear-end-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2024-conference-derby-5-6-oct-2024/</loc>
  <lastmod>2024-10-26T11:45:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/10/6233-on-jacks-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2024-conference-derby-5-6-oct-2024/</loc>
  <lastmod>2024-10-26T11:45:59Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/10/6233-floor-view-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/members/astts-2024-conference-derby-5-6-oct-2024/</loc>
  <lastmod>2024-10-26T11:47:10Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2024/10/46203-with-John-Hind-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/9th-annual-conference-darlington-4th-5th-october-2025/</loc>
  <lastmod>2025-01-17T20:27:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/01/Rail-200-Logo-Primary-TM-RGB.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/woocommerce-placeholder/</loc>
  <lastmod>2025-04-22T11:18:39Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/woocommerce-placeholder.png</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/selection-of-papers-by-l-d-porta-volume-5/</loc>
  <lastmod>2025-05-12T11:40:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/05/Vol-5-Front-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/kwvr-s160-lempor-exhaust/</loc>
  <lastmod>2025-05-29T12:12:06Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/05/IMG_1172.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/loco-performance-monitoring/</loc>
  <lastmod>2025-05-29T14:07:15Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/05/5820-monitoring-montage.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/loco-performance-monitoring/</loc>
  <lastmod>2025-05-29T14:09:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/05/5820-Lempor-montage.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/loco-performance-monitoring/</loc>
  <lastmod>2025-05-29T14:24:24Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/05/Badger-set-up.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/loco-performance-monitoring/</loc>
  <lastmod>2025-05-29T14:27:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/05/Vacuum-results.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astt-publishes-volume-5-in-the-porta-papers-series/</loc>
  <lastmod>2025-06-14T11:11:55Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/06/Vol-5-Front-Cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astt-at-the-greatest-gathering-at-alstoms-workshops-in-derby-1st-to-3rd-aug-2025/</loc>
  <lastmod>2025-11-26T18:43:23Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/08/Greatest-gathering-6.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astt-at-the-greatest-gathering-at-alstoms-workshops-in-derby-1st-to-3rd-aug-2025/</loc>
  <lastmod>2025-11-26T18:20:03Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/08/Greatest-gathering-7.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astt-at-the-greatest-gathering-at-alstoms-workshops-in-derby-1st-to-3rd-aug-2025/</loc>
  <lastmod>2025-11-26T18:43:15Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/08/Greatest-gathering-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/2025-prospectus/</loc>
  <lastmod>2025-10-14T19:09:29Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/08/2025-Prospectus-Front-Cover-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/ast-group/organisation/hendrik-kaptein/</loc>
  <lastmod>2025-08-26T18:30:13Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/08/Hendrik-cmyk.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2025-conference-darlington-4-5-october-2025/</loc>
  <lastmod>2025-11-26T18:19:26Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/10/Untitled-1-copy.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2025-conference-darlington-4-5-october-2025/</loc>
  <lastmod>2025-11-26T18:19:22Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/10/Revolution-loaded.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/p1120270/</loc>
  <lastmod>2025-11-26T18:19:01Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/P1120270-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/progress-1-170725/</loc>
  <lastmod>2025-11-26T18:19:34Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Progress-1-170725.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/progress-2-170725/</loc>
  <lastmod>2025-11-26T18:19:39Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Progress-2-170725.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/progress-3-170725/</loc>
  <lastmod>2025-11-26T18:19:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Progress-3-170725.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/frame-diagram/</loc>
  <lastmod>2025-11-26T18:21:12Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Frame-diagram.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/rollling-chasss-being-readied-for-test/</loc>
  <lastmod>2025-11-26T19:01:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Rollling-chasss-being-readied-for-test.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/slide-bar-and-crosshead-assembled/</loc>
  <lastmod>2025-11-28T15:14:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Slide-bar-and-crosshead-assembled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/spring-beams-and-rear-axle/</loc>
  <lastmod>2025-11-28T15:14:16Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/spring-beams-and-rear-axle.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/spring-beams-and-centre-axle/</loc>
  <lastmod>2025-11-28T15:13:37Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Spring-beams-and-centre-axle.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/pony-truck-spriings/</loc>
  <lastmod>2025-11-28T15:13:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/pony-truck-spriings.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/hopetown-1/</loc>
  <lastmod>2025-11-28T15:13:43Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Hopetown-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2025-11-28T17:09:45Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Progress-1-170725-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/progress-3-170725-2/</loc>
  <lastmod>2025-11-28T15:14:00Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Progress-3-170725-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2026-03-16T14:28:50Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Chassis-details.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2025-11-28T21:15:27Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Rolling-Chassis.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/chassis-details-2/</loc>
  <lastmod>2025-11-28T21:33:24Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Chassis-details-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2025-11-28T21:36:00Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Progress-4-170725-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2025-11-28T22:13:35Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/11/Tender-Tank-variations-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/projects/the-revolution-project-a-new-concept-in-steam/</loc>
  <lastmod>2025-12-18T19:16:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2025/12/Hopetown-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/trackside-magazine-publishes-8-page-article-on-astts-revolution-project/</loc>
  <lastmod>2026-04-03T13:03:33Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/04/Trackside-05-26-Article.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/books-for-sale/an-indonesian-steam-odyssey/</loc>
  <lastmod>2026-07-02T14:07:36Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/07/An-Indonesian-Odyssey-front-cover.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/an-indonesian-odyssey-thumbnail/</loc>
  <lastmod>2026-08-11T13:53:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/08/An-Indonesian-Odyssey-thumbnail.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/favicon-3/</loc>
  <lastmod>2026-08-16T16:12:07Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2015/09/cropped-favicon1.ico</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-successfully-concluded-on-the-nymr/</loc>
  <lastmod>2026-10-05T13:35:46Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Conference-Group-Photo.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T10:00:25Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/4079-at-Pickering-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T10:00:20Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/ECJS-Third-Class-Diner-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:41:18Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Meeting-room-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:36:44Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Omaha-1-copy.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T10:00:08Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Omaha-and-n44806-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:59:59Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Omaha-Oil-Burner-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:59:48Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Omaha-Oil-Burner-6-scaled.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:59:32Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Omaha-Oil-Burner-3.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:59:19Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Revolution-cylinder-assembly.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:59:11Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Revolution-mechanical-ubricator.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:59:03Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/ECJS-Third-Class-Diner.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:58:51Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Picering-container-wagon.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:42:22Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Picering-ballast-plough-2.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T09:35:58Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Omaha-6.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T10:25:57Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/ECJS-Third-Class-Diner-4.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T10:39:20Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/2392-leaving-Pickering.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/astts-2026-conference-pickering-grosmont-3-4-october-2026/</loc>
  <lastmod>2026-10-13T10:40:24Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Picering-ballast-plough-1.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/grosmont-learning-centre/</loc>
  <lastmod>2026-10-13T10:45:42Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Grosmont-Learning-Centre.jpg</image:loc>
  </image:image>
 </url>
 <url>
  <loc>https://advanced-steam.org/revolution-slider-3/</loc>
  <lastmod>2026-10-21T15:45:04Z</lastmod>
  <image:image>
   <image:loc>https://advanced-steam.org/wp-content/uploads/2026/10/Revolution-Slider.jpg</image:loc>
  </image:image>
 </url>
</urlset>
