Compass, Magnetic, FL23233, Luftwaffe PBM-5 Mariner and P-47 Thunderbolt

and P-47 Thunderbolt

The station selector does not rotate the pair number in the window due to apparent water ingress (internal rust)

but without the bulbs

The 8 inch by 10 inch booklet is in very good condition given its age

Compass, Magnetic, FL23233, Luftwaffe PBM-5 Mariner and P-47 ThunderboltHere is a WW2 era German Magnetic Compass FI. 23233, made by Ludolph, as used in aircraft of the Luftwaffe. This version has a gradient on the lens which indicates degree of climb or decent from + 20 degrees as the compass card tilts with the change in aircraft attitude. The fluid has turned slightly brown, but it remains an exceptional specimen. The upper mount remains attached. According to Aircraft Cockpits. com, this compass was used in aircraft