Direction Finding DF Indicator of R.1155 Nav-Com System TBM Avenger but cosmetically its an exceptional

but cosmetically its an exceptional specimen

Measures ~4 inches triangularly by ~2 inches deep

This is a Japanese Ammeter

In operation the Rebecca (AN/APN-2) emits a pulse

Direction Finding DF Indicator of R.1155 Nav-Com System TBM Avenger but cosmetically its an exceptionalHere 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