That Men May Fly

Research activities and accomplishments of the Office of the Air Surgeon, the School of Aviation Medicine, and the Aero Medical Laboratory. to 11, 32, 41 40 Theory and Principles of Operation, Automatic Shifting Unit U.S. Department of the Army, 1943. Chart analysis of different oil pressures to in hydraulic control system of engine and action of pump; action of different parts of automatic shifting system and path of oil in diagram; transmission action at various speeds. (TF 9-1002; 15 minutes)