Radio Transmitter BC-778-D, Gibson Girl, of SCR-578-A Sea Rescue Set Japanese indicative of a year of

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

Kollsman 398C-01 was made for aircraft of the US Navy such as the seaplane JRF-5 Grumman Goose

but also used specifically in the TBM Avenger Torpedo Bomber according to its Erection and Maintenance Manual dated 1945

Once wound

this appears very similar to the MkXVII type

Radio Transmitter BC-778-D, Gibson Girl, of SCR-578-A Sea Rescue Set Japanese indicative of a year ofThis 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