Turn and Slip Indicator, Mk IA, RAF 1937 PBM-5 Mariner These were made by Bendix

These were made by Bendix and Magnavox

We are speculating that this is from a fighter aircraft of the 1950s or 1960s

The closest example in appearance was used in the 1960's US Navy jet fighter Grumman F-11 Tiger

in a downward direction from the transmitter antenna

part number AW-SS-1-C

Turn and Slip Indicator, Mk IA, RAF 1937 PBM-5 Mariner These were made by BendixHere is an exceptional specimen of a Turn and Slip Indicator, Mark IA, invented by George Reid (according to the 'all knowing' Wikipedia) and made by Reid & Sigrist, as used on the blind flying panel of aircraft of the British Royal Air Force and the Royal Australian Air Force of WWII. It is an early version as evidenced by the all white markings; later versions had both white and green markings on the face. While the Mark IA was used across numerous