Aircraft Electrical Instruments Preliminary Course Instructions 1942 A-1 Skyraider Here is a WWII-era Second

Here is a WWII-era Second Air Force handbook of Standard Procedures for the Flight Engineer

Its nice to hear a ticking clock once in a while

See photo of cockpit instrument panel illustrating this instrument

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

Aircraft Electrical Instruments Preliminary Course Instructions 1942 A-1 Skyraider Here is a WWII-era SecondHere 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