Direction Finding DF Indicator of R.1155 Nav-Com System PV-1 Ventura This is an authentic WWII-era

This is an authentic WWII-era GCT (Greenwich Civil Time) Master Navigational Watch AN-5740 Hamilton Part No 33106

When you’re done with the top timer press the left button again

for Air Corps US Army

The thumbscrew on the end of the device loosens

(The prism has a small chip in its lower left corner)

Direction Finding DF Indicator of R.1155 Nav-Com System PV-1 Ventura This is an authentic WWII-eraHere is a WWII era Direction Finding (DF) Indicator as used in aircraft of the British Royal Air Force, such as bombers Avro Lancaster, Handley Page Halifax, and Vickers Wellington, and patrol bomber Short Sunderland. The DF Indicator received its signal from the R. 1155 receiver in the radio (wireless) comparment. By seeking a signal from a ground transmitter, the indicator displayed the direction of the transmitter in relation to the aircraft by