Bombs and Bombing Systems for Aircraft Observers AF Manual 50-22, 1956 Piasecki This Aircraft Electrical Instruments Preliminary

This Aircraft Electrical Instruments Preliminary Course trained civilians for employment at air depots to supplement the war effort during WWII

It has the original crown symbol of the Air Ministry on the back

Not much is known about this altimeter

I-82-A Navigators Indicator

P-39 Airacobra

Bombs and Bombing Systems for Aircraft Observers AF Manual 50-22, 1956 Piasecki This Aircraft Electrical Instruments PreliminaryThis is an original Cold War Era US Air Force Manual Bombs and Bombing Systems for Aircraft Observers dated January 1956. "Aircraft Observers" typically were responsible for operating the bombing and navigational systems, including radar. The manual covers the bombs and bombing equipment in use by the USAF during the mid 1950's, the specific bombing systems of the B 50 Superfortress, B 36 Peacemaker, B 47 Stratojet, B 57 Canberra, B 52 Stratofortress,