Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII DC-3 (Watch is not included)

(Watch is not included)

We have not tested it

but is frozen in position in this specimen and may be able to be repaired

3 inches tall by ~5 inches wide and ~5 inches deep

it make sense that this may have been specified for helicopters

Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII DC-3 (Watch is not included)Here is an early 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. It has a serial number prefix AF 43, evidence of a manufacturing year