Altimeter with Stand, Type C-12, 50,000 ft, US Army Air Force WWII Beaufort and Dec 1949

and Dec 1949

and throttle and supercharge settings

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

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

Here is a combination Airspeed Machspeed Indicator

Altimeter with Stand, Type C-12, 50,000 ft, US Army Air Force WWII Beaufort and Dec 1949Here 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