Compass, Magnetic Direct Reading, US Navy Mark VIII (3) F-94 The Naval Research Laboratory has

The Naval Research Laboratory has under development a doppler navigation system

the glass and the inclinometer with its fluid are intact

as used in the US Army Air Corps tricycle-landing gear (wings & nose gear

and Type 100 Mitsubishi Ki-46 Dinah Reconnaissance aircraft

The metal clearly shows the effects of climate and age

Compass, Magnetic Direct Reading, US Navy Mark VIII (3) F-94 The Naval Research Laboratory hasHere 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