Compass (Busola) Magnetic Direct Reading, PZL Type 1 F-86 D versions as shown in

D versions as shown in the B-52 Flight Manual dated 1966

as used in the C-47 Dakota Transport with a similar version used in the TBM Avenger Torpedo Bomber

This is a 1950-60's-era Attitude Gyro Horizon Indicator as used in early versions of the US Navy/Marine Corps Jet Fighter/Attack Aircraft Douglas A4D-1 Skyhawk

later versions had both white and green markings on the face

Compass (Busola) Magnetic Direct Reading, PZL Type 1 F-86 D versions as shown inHere is a Direct Reading Magnetic Compass (Busola), Type 1, made by, or for, the Polish aircraft manufacturer PZL (Pastwowe Zakady Lotnicze). The compass fluid is present and the compass card swings freely. Accuracy seems to be slightly off, but could probably be recalibrated with the compensator screws. Measures ~2. 5 inches diameter and ~2 inches deep.