Turn and Slip Indicator, Mk IA, 6A/675, RAF 1939 Core Viscount this indicator was used in

this indicator was used in the twin-engine Bristol Beaufighter

The accuracy specified for this equipment is 2 percent of the distance traveled

thus has never been opened

The BC-765 Switch Box was installed in the cockpit of many bomber or transport aircraft of WW2 as part of the SCR-595 or -695 Identification Friend or Foe (IFF) radio systems

part number 644730

Turn and Slip Indicator, Mk IA, 6A/675, RAF 1939 Core Viscount this indicator was used inHere is a Turn and Slip Indicator, Mark IA, Type 6A 675, 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 British