Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII Mosquito When the signal lamp is

When the signal lamp is used in this manner no radio transmission takes place

The main dial measures time

G Mitchell

According to other websites which showcase British aviation artifacts

Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII Mosquito When the signal lamp isHere is an early WWII era Sensitive Altimeter, Air Corps US Army Type C 12, made by Conn, part number 80000. 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 knob is used to adjust the altimeter to the barometric