(Geen titel) Sighting errors in fixed gunnery (gun films) 20 mm T171E2 automatic gun, Assembly 20 mm T171E2 automatic gun, Detail stripping 20 mm T171E2 automatic gun, Disassembly Early aircraft armament : the aeroplane and the Gun up to 1918 British Aircraft Armament : volume 1 : RAF gun turrets from 1914 to the present day British Aircraft Armament : volume 2 : RAF guns and gunsights from 1914 to the present day Flying Guns World War I: development of aircraft guns, ammunition and installations 1914-1932 Flying guns: the modern era development of aircraft guns, ammunition and installations since 1945 Flying guns the development of aircraft guns, ammunition and installations 1933-1945 Top gun gevechtsvliegtuigen en Amerikaanse straalvliegtuigen Tek. nr. D.208448 & 208449; Armament installation, assy of gun mountings. Hawker Aircraft Limited, Kingston-on-Thames
