Turn and Bank Indicator Type A-8, Air Corps US Army, WWII, B-17, P-51, P-38 Liaison Aircraft The float is suspended so

The float is suspended so that the needles are free to align themselves horizontally with the earth's magnetic field

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

With one-hour elapsed time feature and sweep hand

perhaps evidence of its use in the US Navy's version of the B-17

"triggering" the Eureka (AN/PPN-1) and causing it to return a pulse

Turn and Bank Indicator Type A-8, Air Corps US Army, WWII, B-17, P-51, P-38 Liaison Aircraft The float is suspended soThis pre & early WWII era Turn & Bank Indicator Type A 8, made by Bendix Part No. 1718 2S A2 for the Air Corps US Army, was used across virtually all its aircraft during WWII, including bombers B 17, B 24, B 25, B 26, fighters, P 38, P 39, P 40, P 47, P 51, and transports C 46 and C 47. Imprinted on the face, but barely discernible in the photos, is "AC US Army" (Air Corps US Army), and its serial number prefix is AC41, indicating the manufacturing