Aircraft Electrical Instruments Preliminary Course Instructions 1942 A-1 Skyraider The left dial selected the

The left dial selected the spacing interval between bombs at a given airspeed

as used in aircraft of the Japanese Navy

Six mounted in in various places

and F4U Corsair

Aircraft Electrical Instruments Preliminary Course Instructions 1942 A-1 Skyraider The left dial selected theHere 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