Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII A-26 trainer T-33

trainer T-33

The first ~200 pages describe various aspects of air services

The battery ammeter indicates the current flow through the battery charging system

Courter Instruments EGU-2/A

there are not many

Altimeter, Sensitive, Type C-12, 50,000 ft, US Army Air Force WWII A-26 trainer T-33Here is an early WWII era Sensitive Altimeter, Air Corps US Army Type C 12, made by Conn. 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