Compass, Magnetic, FL23233, Luftwaffe PBM-5 Mariner The pointer makes one revolution

The pointer makes one revolution every hundred miles per hour

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

and P-47 Thunderbolt

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

but without the bulbs

Compass, Magnetic, FL23233, Luftwaffe PBM-5 Mariner The pointer makes one revolutionHere 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