Altimeter, Sensitive, Type C-13, 35,000 ft, US Navy WWII 671K-05 H-46 and the lines leading from

and the lines leading from bottom center to each light is a wire to the light

the gyro produced directional indication signals which were amplified and transmitted to the autopilot system and indicators on the flight deck of the aircraft

25in diameter and ~6in deep

allowing for course adjustments left or right

Altimeter, Sensitive, Type C-13, 35,000 ft, US Navy WWII 671K-05 H-46 and the lines leading fromHere is an early WWII era Sensitive Altimeter, Air Corps US Army Type C 13 (also AN 5760 1), made by Kollsman. part number 671K 05. The C 13 Altimeter was used across all aircraft of the US Navy and 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. This altimeter is