Compass, German Luftwaffe Fl.23210 Führerkompass F.K .10/32, 1940 Czech The label stating TURN PUMP

The label stating TURN PUMP OFF AT 2000

This manual covered the US Air Force versions C-47 B & D

This is a Cabin Altitude and Differential Pressure Indicator as used in USAF's Cold-War-era Fighter/Interceptor F-89 B Scorpion

This altimeter traversed the Sacramento Air Logistics center at McClellan Air Force Base in Nov 1982 (see label)

Compass, German Luftwaffe Fl.23210 Führerkompass F.K .10/32, 1940 Czech The label stating TURN PUMPHere is a WW2 era German Magnetic Compass FI. 23210, made by Ludolph in August 1940. Commonly used in the Junkers Ju 52. Measures approximately 4. 5" wide by ~4" tall. It is in reasonable condition given its age. The compass fluid is no longer present.