Bomb Release Control-Intervalometer, Type AN-B3 Vietnam War Hence Rebecca can be installed

Hence Rebecca can be installed in a troop carrier airplane at a cost in weight of only 85 pounds compared to an installed weight of 400-500 pounds for an AST radar

which would have the ground map of the terrain below

See location of the instrument in the photo of a B-52 pilots instrument panel taken at Castle Air Museum

to obtain an accurate bomb run

single-engine electric Tachometer was in the 377 series from Kollsman

Bomb Release Control-Intervalometer, Type AN-B3 Vietnam War Hence Rebecca can be installedThe 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