Bombs and Bombing Systems for Aircraft Observers AF Manual 50-22, 1956

This 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, and B-66 Destroyer, and the autopilot systems of these aircraft, E-4 (A-12D), E-6, MH-11C2, and A-14. 

This 211-page manual is in exceptional condition given its age.