Porta Papers

At least 250 papers covering a whole spectrum of topics about Modern Steam were written by Ing L.D. Porta over a 50 year period, most being written between 1970 and 1990, most being hand-written, and only a few were published.  ASTT has in its possession some 92 of these papers of which 35 have been published in four volumes, and a further 21 will be published in a fifth volume in 2025.  These publications are as follows:

In addition, ASTT has published a 2-volume Compendium of Articles and Papers to Celebrate the Centennial of Porta’s birth:

These volumes include a listing of 240-plus papers known to have been written by Porta.

Two other papers by Porta were published in the Proceedings of a Fedecrail conference held in Barcelona in May/June 1998 titled “Lectures on Steam Locomotive Operation in the 21st Century“.  The papers included in the Proceedings are as follows:

Two other excellent sources of information about Porta and his work (and some of his papers) can be found on: