Compass, Magnetic, FL23233, Luftwaffe Ki-100 The LS-3 Loudspeaker was used

The LS-3 Loudspeaker was used during WWII with a variety of US Army Signal Corps receivers

It has a calibration mechanism

The directional gyro is powered pneumatically

The knob turns and rotates the barometric scale

Likely from the 1950s or 1960s

Compass, Magnetic, FL23233, Luftwaffe Ki-100 The LS-3 Loudspeaker was usedHere 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