Turn and Bank Indicator US Navy, AN-5820-1, R88-I-3255-10
This Turn & Bank Indicator 1722-2AK-B2 made by Bendix, is similar to those used across virtually all aircraft of the US Navy during WWII and into the 1950's.
It is in very good condition given its age. The dial markings are clear and the glass, case, and fluid are intact. This example has a service label from Naval Air Station (NAS) Seattle, dated June 1952.