Altimeter with Stand, Type C-12, 50,000 ft, US Army Air Force WWII Beaufort These settings fed into the

These settings fed into the 5 onboard gunnery computers that determined proper lead and ballistics corrections for each of the 5 gunsights

See illustration of the location of the indicator on the panel of the C-45 from its flight manual dated 1944

Type D-1 (also AN5816-2)

and throttle and supercharge settings

and Dec 1949

Altimeter with Stand, Type C-12, 50,000 ft, US Army Air Force WWII Beaufort These settings fed into theHere 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