Gyro Magnetic Compass & Course Indicator Slaved Type V-4 Sperry 21204 USAF OCAMA Peggy Bomber The pointers will be aligned

The pointers will be aligned once the rotors are fully engaged

Here is a WW2-era German Airspeed Indicator FI

This is a triple Trim Tab Position Indicator

5 inches diameter and 2

shows a (+) positive reading indicating the current is flowing to the battery (charge)

Gyro Magnetic Compass & Course Indicator Slaved Type V-4 Sperry 21204 USAF OCAMA Peggy Bomber The pointers will be alignedThis is a Slaved Gyro Magnetic Compass and Course Indicator Type V 4 made by Sperry spec # 21204. It has a service label from the US Air Force Tinker Air Base's OCAMA (Oklahoma City Air Materiel Area). OCAMA managed repairs and furnished spare parts for the B 52, B 47, C KC 135, and certain other aircraft, but a specific link between this instrument and these aircraft has not been established. It has a serial # prefix of AF 50, likely indicating a