A small collection of aircraft handbooks and technical notes comprising RAF Technical notes; Aeroplanes M-Z covering the Martinsyde Scout, RE7, RE8 and numerous aircraft other aircraft types (worn, soft covers); Pilots Note's for the Boston IIIA Aeroplane, published by the Air Ministry 1942; Care and Maintenance of the 130hp DH Gipsy Major Aero Engine (text detatched from covers); Operators Instructions for the Pratt and Whitney Wasp Junior and Wasp H1 and Hornet Series Engines; and another for the Twin Wasp C3 Engine and an Air Publication on the Supercharger Unit as fitted to the Jaguar IV engine, published in 1928 (5)