Bomb Release Interval Control Panel Type B-2A PZL WW2-vintage Vertical Gyro module of

WW2-vintage Vertical Gyro module of the Type A-3A Automatic Pilot system

the copper

spaced equally on either side of the N and S markings

see illustration from the B-17G Erection and Maintenance Manual in the photos

Bomb Release Interval Control Panel Type B-2A PZL WW2-vintage Vertical Gyro module ofThis is an original WWII era Bomb Release Interval Control, Type B 2A, as used across nearly all US bomber aircraft, including B 17, B 24, B 25, B 26, and B 29 and any US Navy counterparts. The Bomb Release Interval Control permitted a bombardier to control the number of bombs dropped per release and their impact spacing. This would be used to set up a carpet bombing run, for example, over a large railroad marshalling yard, vs a more concentrated drop