Altimeter, Sensitive, Type C-14A, 35,000 ft, Air Force US Army WWII 1555-2P-B ME-109 The indicator has two pointers

The indicator has two pointers (the second one is barely visible in the photo as it rests behind the other) one for each tank

Above this altitude an A-13A or A-14 oxygen mask were used

the B-7 made by Manning

The caging knob

Altimeter, Sensitive, Type C-14A, 35,000 ft, Air Force US Army WWII 1555-2P-B ME-109 The indicator has two pointersHere is a WWII era Sensitive Altimeter, Air Force US Army Type C 14 (also AN 5761 1), made by Bendix, part number 1555 2P B. The C 14 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 Feb 1945. AF US ARMY is embossed on its face. The