H/b, 10.5 x 16.5cm. Written by P.H. Simpson and H.R. Langman. 1st edition 1943, 216pp. Intended to be a practical book. Covers principles and contruction of aircraft, hydraulic equipment, braking systems, magnetos, spark plugs, electrical equipment, basic engineering, engines, carburettors and variable-pitch propellers. Illustrated with diagrams & charts. There are also some period adverts. Good used. Stock code P10893.