Turn & Bank Indicator, Electric, US Navy Aircraft 1970
The electrically operated, gyroscopic Turn & Bank Indicator, Bendix part number 13907-2K-A2-4, was used in aircraft of the US Navy during the 1960-70's.
This indicator has a service label from the NARF (Naval Aircraft Rework Facility) Alameda CA, stamped Jan 1970. The floating ball indicator no longer contains damping fluid, so the ball glides but not in fluid. The dial markings are clear and the glass and case are intact. See photos. Measures 3.25 inches diameter and ~6 inches deep.