Compass, Magnetic Direct Reading, US Navy Mark VIII (3) F-94 and it was hard-mounted to

and it was hard-mounted to the aircraft

the glass and the inclinometer with its fluid are intact

and Jacket No 572602" from an earlier reference

The Naval Research Laboratory has under development a doppler navigation system

One revolution of the inner hand is 5 minutes

Compass, Magnetic Direct Reading, US Navy Mark VIII (3) F-94 and it was hard-mounted toHere 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. This model was designated AN5732 1 later in WWII. The compass was illuminated electrically via bulb (included but operation unknown) mounted in a small compartment