Direction Finding DF Indicator of R.1155 Nav-Com System PV-1 Ventura (The prism has a small

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

for Air Corps US Army

The booklet describes and illustrates a number of aerial tactics in lay terms

was part of the direction finding and landing system "PeilG V" and "PeilG 6" as well as the FuG 16 Z / ZY

The A-1B sight was a gun-bomb-rocket sight used in versions of the F-84 and F-86 jet fighters

Direction Finding DF Indicator of R.1155 Nav-Com System PV-1 Ventura (The prism has a smallHere 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