Compass, Magnetic Direct Reading, US Navy Mark VIII (3) F-94 This is a WWII-era Autopilot

This is a WWII-era Autopilot Release Button for the C-1 Automatic Pilot system used in US Army Air Force bomber aircraft such as the B-17 Flying Fortress

and Jacket No 572602" from an earlier reference

the glass and the inclinometer with its fluid are intact

as illustrated on in the US Army Air Force's Flight Manual

Compass, Magnetic Direct Reading, US Navy Mark VIII (3) F-94 This is a WWII-era AutopilotHere 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