Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII DC-3 Both have been painted on

Both have been painted on the outside glass with the operating limits of the aircraft in which they were installed

either an engine driven air pump or a venturi pump

It is very well preserved for its age

(Watch is not included)

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

Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII DC-3 Both have been painted onHere 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