Aircraft Clock, 8-day, Type A-11 AN-5743-1 For parts or repair PZL marked US Army Air Forces

marked US Army Air Forces

the lid having lost its way over the years

See images from their flight manuals

Here is the Induction Compass (Directional) Indicator for the Sperry Gyrosyn Compass system used in a number of Cold-War-era US Military aircraft such as the B-52 Stratofortress

B-50 Superfortress

Aircraft Clock, 8-day, Type A-11 AN-5743-1 For parts or repair PZL marked US Army Air ForcesThis is a mechanical WWII era aircraft clock, Type 11 AN 5743 1, that was used across nearly all aircraft of the US Air Corps and Air Force, including bombers B 17, B 24, B 25, and fighters P 38, P 40, P 47, and P 51. The time is set by pulling out and rotating the knob at the front corner and rotating. However, the winding mechanism is not engaging but may be able to be repaired. The data label is missing thus the manufacturer is unknown. Measures