Aircraft Electrical Instruments Preliminary Course Instructions 1942 A-1 Skyraider See photo of cockpit instrument

See photo of cockpit instrument panel illustrating this instrument

5 by 11 inch manual covers installation

Six mounted in in various places

Its nice to hear a ticking clock once in a while

single-engined fighters and bombers

Aircraft Electrical Instruments Preliminary Course Instructions 1942 A-1 Skyraider See photo of cockpit instrumentHere is a course manual with an interesting past. This Aircraft Electrical Instruments Preliminary Course trained civilians for employment at air depots to supplement the war effort during WWII. The US Office of Education in cooperation with the US Board for Vocational Education prepared this course for the Air Service Command, US Army Air Corps, in 1942. The manual covers the inspection, maintenance, overhaul, and calibration of electrical aircraft