Designed by famed engineer Willy Messerschmitt, the Bf 109 scored more kills than any other aircraft in WWII. One of the first truly modern fighter planes - the Bf 109 featured retractable landing gear and all-metal monocoque fuselage - it flew as a fighter, bomber escort, interceptor, ground attack platform, and recon aircraft. fighter, bomber escort, interceptor, ground attack platform, and recon aircraft. An astonishing 31,000 Bf-109s were built during the war and after, when Spain and Czechoslovakia built variants. This Messerschmidt maintenance and erection manual dates from the pre-war...