Turn & Bank Indicator, AN5820-1 WWII US Army Air Force Aerial Refueling These cameras were designed to

These cameras were designed to record results obtained in aerial and ground gunnery training and for producing visual records of aerial combat

which is designated by a vertical dash on this one and by a small aircraft silhouette on the I-65)

The total capacities on the indicator are consistent with the capacity of the KB-29P's forward bomb-bay fuel tank (see photo of tank capacities from the KB-29P Flight Manual)

For dual-control installations

Turn & Bank Indicator, AN5820-1 WWII US Army Air Force Aerial Refueling These cameras were designed toThe pneumatically operated, gyroscopic AN5820 1 Turn & Bank Indicator, Bendix part number 1722 2AD 2AD B2, was used across all aircraft of the US Army Air Force during WWII, such as heavy bombers B 17 and B 24, medium bombers B 25 and B 26, as well as fighters P 38, P 39, P 40, P 47, and P 51, according to the US Army Air Force's Interchangeability Cross Reference Chart dated Feb 1945. In aircraft without a central vacuum filtration system, it would