Turn & Bank Indicator, AN5820-1 WWII US Army Air Force Aerial Refueling but is frozen in position

but is frozen in position in this specimen and may be able to be repaired

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)

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

This is a WWI or Post WWI-vintage aircraft or laboratory tachometer "Victometer" made by the Jos W Jones Co

For dual-control installations

Turn & Bank Indicator, AN5820-1 WWII US Army Air Force Aerial Refueling but is frozen in positionThe 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