Compass, Aperiodic, US Army Air Force Type D-12 NOS Short Sunderland These systems were put into

These systems were put into use on the Northrup F-89 Scorpion and Lockheed F-94 Starfire Fighter/Interceptors in the 1950's

in the magnetic field of a rotary coil is mounted

rectifier type

as used in aircraft of the German Luftwaffe

Compass, Aperiodic, US Army Air Force Type D-12 NOS Short Sunderland These systems were put intoThe US Army Air Force Type D 12 Direct Reading Aperiodic Compass was used at the navigators station across many US WWII aircraft, including heavy bombers B 17, B 24, B 29, medium bombers B 25 and B 26, and transports C 46, C 47, and C 54. Made by Bendix, part number 1832 1 A, it has a serial number prefix of AF 43, indicative of a manufacturing year 1943. This compass is New Old Stock and is in its original box with matching serial numbers, a real