Turn and Bank Indicator US Army Air Force, WWII, B-17, P-51, P-38 Dinah Reconaissance On the reverse of the

On the reverse of the metal base are performance limit graphs under various conditions of pressure altitude

a removable drawer-type compensator

was used in aircraft of the US Navy during the 1960-70's

Destroyer USS Fletcher

They are quite difficult to find

Turn and Bank Indicator US Army Air Force, WWII, B-17, P-51, P-38 Dinah Reconaissance On the reverse of theThis Turn & Bank Indicator PN1721 2U A2 B made by Burton , was used across virtually all aircraft of the US Army Air Force during WWII, including bombers B 17, B 24, B 25, B 26, fighters, P 38, P 39, P 40, P 47, P 51, and transports C 46 and C 47. It serial number prefix is AF 43, indicates the manufacturing year 1943. It is in good condition given its age. The dial markings are clear and the glass, case, and fluid are intact.