Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII P-40 as appeared in dual engine

as appeared in dual engine aircraft such as the US Air Force attack bomber Douglas A-26 / B-26 Invader during the 1950-70's

and F-94C Starfire jet fighters

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

Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII P-40 as appeared in dual engineHere 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