Altimeter, Sensitive, Type C-13, 35,000 ft, US Navy WWII 671K-05 H-46 25in diameter and ~6in deep

25in diameter and ~6in deep

This knob is very stiff and could use a bit of TLC

but there is still a metal government seal wired into place at 4 o'clock to provide evidence if opened

and on the B-29 it was installed on the flight engineers instrument panel

Altimeter, Sensitive, Type C-13, 35,000 ft, US Navy WWII 671K-05 H-46 25in diameter and ~6in deepHere 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