Compass, Magnetic, FL23233, Luftwaffe PBM-5 Mariner Our indicator was eventually processed

Our indicator was eventually processed through Naval Air Station (NAS) Alameda (CA) in 1967

The pointer makes one revolution every hundred miles per hour

so likely for a US Navy aircraft

and P-47 Thunderbolt

Here is a 1940's vintage electrical Free Air Temperature Indicator

Compass, Magnetic, FL23233, Luftwaffe PBM-5 Mariner Our indicator was eventually processedHere 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