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

but is stiff and requires some TLC

drop center

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

for the Air Corps

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.