Bombs and Bombing Systems for Aircraft Observers AF Manual 50-22, 1956 Piasecki It has the original crown

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

Measures ~6 inches diameter and ~7 inches tall

I-82-A Navigators Indicator

We have seen claims that these were used in aircraft such as the Sopwith Camel and Sopwith Pup

were more compact

Bombs and Bombing Systems for Aircraft Observers AF Manual 50-22, 1956 Piasecki It has the original crownThis 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,