Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII Royal Navy Radio beacons on the airfield

Radio beacons on the airfield transmitted signals

The serial number prefix of 44 indicates a year of manufacture of 1944

original WWII-era Pilots Flight Operating Instruction manual for the US Army Air Force's Consolidated B-24 Liberator heavy bomber

Note that this is just the external mechanism for knob caging and does not include the knob itself

Framburg had to adapt to the situation

Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII Royal Navy Radio beacons on the airfieldHere 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. The C 12 Sensitive Altimeter displayed altitude using 3 pointers. The