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Bomb Release Control-Intervalometer, Type AN-B3


Bomb Release Control-Intervalometer, Type AN-B3

The Bomb Release Control (Intervalometer) 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 over a specific site such as a ball bearing factory.  The left dial selected the spacing interval between bombs at a given airspeed, while the right dial selected the number of bombs to be released at a time.  The bombardier could also choose to either manually drop the cache or automatically in 'train'.  Used in most US bombers during WW2.

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