Bomb Release Control-Intervalometer, Type AN-B3 Vietnam War The World War II T-1

The World War II T-1 bombsight system was originally designed by the British (as the Mark XIV bombsight) and first entered service in 1942

which would have the ground map of the terrain below

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

Here is an authentic WW2-vintage Carburetor Temperature Indicator as appeared in the WW2 Light/Attack Bomber Douglas A-20G Havoc

Bomb Release Control-Intervalometer, Type AN-B3 Vietnam War The World War II T-1The 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