March 2023 Newsletter released

In case any members are not receiving our emails, our Newsletter editor, Iain McCall, has today (21/11/23) circulated the March 2023 edition of our Newsletter.  Filling 57 pages, it contains our usual updates on ASTT’s membership and activities, plus three articles of great interest:

  • Derivation of the Locomotive Energy Balance by Martin Johnson,
  • Cylindrical Fireboxes—Sorting Out the Circulation Problem by Robin Pennie, and
  • The Physiology of the Locomotive Boiler—Another Peep! by Adrian Tester.

If you have not received a copy of this Newsletter, please let us know by writing to  In the meantime, a copy of this and all earlier Newsletters can be downloaded from the Newsletter page of the Members’ section of our website.


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