Bomb Release Lever Assembly Mk 29 C-54 The manual focuses on the

The manual focuses on the responsibilities of the 'free' gunner in aircraft (vs the pilot) that were in use by US Marine Corps aviators during 1944: SBD Dauntless

The time set perfectly by using the knob

It is labeled for use by the TBF-1

in November 1940

including the bulb

Bomb Release Lever Assembly Mk 29 C-54 The manual focuses on theThis is a WWII era Aircraft Bomb Release Lever assembly, Mark 29, as used on US Navy aircraft with wing mounted bomb racks such as the TBD Douglas Devastator Torpedo Bomber. See photo from TBD 1 manual dated 1937. Identifying numbers on it are 147599 10. See spec sheet in photo gallery. The mechanism has 4 spring loaded levers, 3 of which would have been attached to cables which exited the bottom side of the box. The right and left levers each