Compass, Magnetic Direct Reading, US Navy Mark VIII (1) Peggy Bomber which explains why much of

which explains why much of the content has a British bent and references the British Royal Air Force and the Air Ministry

According to the guide Types and Location of Instruments in RAAF (Royal Australian Air Force) dated 1943

This is an original WWII-era Radio Operator's Information File published in 1944 (updated 1945) by the US Army Air Force

a small pointer which travels the perimeter of the compass card

which would likely be determined by the type of aircraft to be refueled on a mission

Compass, Magnetic Direct Reading, US Navy Mark VIII (1) Peggy Bomber which explains why much ofHere is a fine example of the US Navy's Aircraft Direct Reading Magnetic Compass Mark VIII, as used in the SBD Dauntless Dive Bomber and the TBM Avenger Torpedo Bomber. This compass was installed above the pilots forehead, see image of the SBD's cockpit showing the location of this compass. The compass was illuminated electrically via bulb (included but unlikely operational) mounted in a small compartment over the compass itself. Inside the same