Aircraft Clock, 8-day, Type A-11 AN-5743-1 For parts or repair PZL The case measures ~4

The case measures ~4

Here is a WWII-era Directional Gyro module of the Type A-3A Automatic Pilot system

which appeared on the engineers panels of the US Air Force Boeing B-50 Bomber and KC-97 Stratotanker

marked US Army Air Forces

Aircraft Clock, 8-day, Type A-11 AN-5743-1 For parts or repair PZL The case measures ~4This 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