Monthly Archives: September 2019

Porta Papers Volume 2 now on Sale

  ASTT’s publication of Porta Papers Volume 2 is now on sale.   The volume includes three papers by Porta: Adhesion in Advanced Steam Locomotive Engineering Facing the Oil Crisis, 1984 (revised 1986); Fundamentals of the Porta Compounding System for Steam Locomotives, 2000; A Proposal for the Tornado Project, 1992. As a corollary to the Tornado […]

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