Contactor Unit BC-608-A of RC-96A System Pipsqueak Grumman and one adjustment knob

and one adjustment knob

This is a nice example of the US Navy's Vertical Speed Indicator R-88-I-750 as used in the SB2C Helldiver Dive Bomber of WWII

when learning its true origin and purpose

This electrical Tachometer was used in Cold War-era jet fighters and trainers of the United States Air Force

If you are restoring a T-33

Contactor Unit BC-608-A of RC-96A System Pipsqueak Grumman and one adjustment knobHere is an excellent example of the WWII era Contactor Unit BC 608 A, a component of the US Army Air Force's RC 96 A Contactor System intended to work with the the British RAF "Pipsqueak" system. Pipsqueak was a simple radio navigation system used by the British during the early part of World War II. Pipsqueak used an aircraft's voice radio set to periodically send out a 1 kHz tone which was picked up by ground based high frequency direction finding