Gun Camera, 16mm, Gun Sight Aiming Point, Type M-4A US Navy USSR according to the US Air

according to the US Air Service Command's Airborne Radio Equipment Handbook dated 1943

and widely used on aircraft in the 1930s through 1950s

can be used to notify Rebecca planes of any last minute changes caused

and the right engine is on the lower scale

We have not independently verified the information on the tag

Gun Camera, 16mm, Gun Sight Aiming Point, Type M-4A US Navy USSR according to the US AirGun Sight Aiming Point (GSAP) Cameras are electrically operated motion picture cameras which were used across US Army Air Force and US Navy fighter and attack aircraft during WWII and the Korean War. These cameras were designed to record results obtained in aerial and ground gunnery training and for producing visual records of aerial combat. By the end of WWII, the AN N6 GSAP cameras were the standard for this application. This example, the M 4 camera