Reference Papers

A variety of papers are available from this section, coving a wide range of topics including:

Porta’s papers – A listing of various papers by Ing. L.D. Porta including several available for download.
Modern Steam – Downloadable Papers and Broadcasts relating to Modern Steam;
Steam vs. Diesel – Downloadable Reference Material relating to Steam vs. Diesel Debates;
Fuels and Emissions – Other Downloadable Reference Material relating to Steam Traction, Fuels etc