Radio Transmitter BC-778-D, Gibson Girl, of SCR-578-A Sea Rescue Set Japanese Being partially a gyro instrument

Being partially a gyro instrument it has

indicative of a year of manufacture for a US Air Force order in 1955

The tripmeter reset knob is bent just a bit

Once wound

This booklet was written

Radio Transmitter BC-778-D, Gibson Girl, of SCR-578-A Sea Rescue Set Japanese Being partially a gyro instrumentThis is an authentic WWII era BC 778 A Emergency Radio Transmitter, a component of the SCR 578 A Sea Rescue Radio Set. Later designated the T 74 of the AN CRT 3 system. This was stored in any aircraft of the US Army Air Force or US Navy that may fly over water. According to the US Army Air Force Airborne Radio Equipment Manual 1943: Radio set SCR 57B A is a hand powered, emergency transmitter designed for operation in a small boat or life raft. It