Intercooler Flap Position Indicator, Boeing B-50 Superfortress Bomber, Type DJ-28 F-14 it is intended for aircraft

it is intended for aircraft in which a navigator is not carried

The LS-3 Loudspeaker was used during WWII with a variety of US Army Signal Corps receivers

2 and the C

The two auxiliary pointers located behind the main pointer rotate to indicate the maximum negative or positive G's experienced by the aircraft until reset by turning the knob clockwise

the navigator observes the travel of fixed objects across the lens

Intercooler Flap Position Indicator, Boeing B-50 Superfortress Bomber, Type DJ-28 F-14 it is intended for aircraftThis is a dual engine Intercooler Flap Position Indicator as appeared on the US Air Force's Korean War era Boeing B 50 Superfortress, a more powerful engine revision of the iconic WWII B 29 bomber Measures. Two of these indicators appeared on the B 50's engineer's instrument panel (see photo), each indicating the intercooler flap position on engines 1 & 2 or 3 & 4. By toggling the momentary contact intercooler switches, the flight engineer controlled