Original folder with Chinese characters and annotation by Kenneth Cantlie's hand 'Loco Calculations + Rations'. Contains drawings and blueprints on sleeper cars. Window designs from Beckett, Laycock & Watkinson, proposed Canton Hankow Railway boiler and erecting shop layout at Central Mechanical Works, Wuchang, Tientsin-Pukow Railway first to third class sleeping cars, isometric anti-collision vestibule, wheel trucks for TP Railway passenger cars, CH Railway diagram for anti-telescopic members for steel cars, Birmingham Railway Carriage & Wagon, 1937.