Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII P-40 It was the forerunner of

It was the forerunner of the Bendix Polar Path and Sperry CL 11

We take upon ourselves this people from Stalin’s slavery

The rear housing has rusted

They were only as accurate as the observers knowledge of aircraft identification and of course

Woods of the 401st Bomb Group

Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII P-40 It was the forerunner ofHere is a WWII era Sensitive Altimeter, Air Corps US Army Type C 12, made by Kollsman. The C 12 Altimeter was used across all aircraft of the Air Corps US Army, including heavy bombers B 17 and B 24, medium bombers, B 25 and B 26, Fighters P 38, P 39, P 40, P 47, and P 51, and transports C 46 and C 47, according to the Maintenance Interchangeability Chart dated Dec 1943. The C 12 Sensitive Altimeter displayed altitude using 3 pointers. The first and