Folder of technical documents including blueprints of LMS [London Midland & Scottish] Railway stokers, Canton Hankow 2-8-0 50 class superheater arrangements, smokebox arrangement for Nanking Shanghai Railway engine, boiler flue and Baldwin 2-5-2 super arrangements, Caprotti Valve Gears Ltd memorandum on G.I.P.R. [Great Indian Peninsula Railway] XP class locomotives (14th May 1938, 16 pages), a copy of a report on Counterbalances for Locomotives (undated, 23 pages), partial issue of The Railway Engineer, February 1933 (16 pages), a copy of 'Recent Developments in European Railroad Motive Power' by A.I. Lipetz, a corrected and annotated copy, originally printed in the Engineering Journal February 1937 (8 pages).