Compass, German Luftwaffe Fl.23210 Führerkompass F.K .10/32, 1940 Czech This is a Cabin Altitude

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

The label stating TURN PUMP OFF AT 2000

569432" and  "General Electric Canada"

Here is an unusual aircraft Engine Triple Gage using the GE Type DJ-3 electrical instrument platform

Compass, German Luftwaffe Fl.23210 Führerkompass F.K .10/32, 1940 Czech This is a Cabin AltitudeHere 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.