Ordnance Release Control-Intervalometer, Type AN-B3, USN Mark K2 Hunter Measures approximately 5 inches square

Measures approximately 5 inches square

likely a part number

Measures 1

as use in early versions of large British RAF aircraft such as the Avro Lancaster

This Turn and Slip Indicator Type MD-4A

Ordnance Release Control-Intervalometer, Type AN-B3, USN Mark K2 Hunter Measures approximately 5 inches squareThis is an authentic WWII era Bomb Release Control as used in bomber aircraft of the US Army Air Force and US Navy. This example is a US Navy Mark K2. 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