Wheel and Flap Position Indicator, RCAF Ref 6A/827 B-25 The A-8 included a filter

The A-8 included a filter for the vacuum air which is drawing across the gyro to power it while in flight

Here is WWII-era vacuum-driven Gyro Horizon Indicator Type AN-5736-1

At its top datum

The nature of the modification is unknown

and AC US ARMY are imprinted on its face

Wheel and Flap Position Indicator, RCAF Ref 6A/827 B-25 The A-8 included a filterThis is a WWII era Wheel and Flap Position Indicator, Stores Reference 6A 827 GE Type DJ4, as used in aircraft of Royal Canadian Air Force with tail wheel landing gear. We have not yet identified the type of RCAF aircraft which may have used this indicator. We welcome any information from those who may know. This indicator is in very good condition for its age. The glass and case are intact, and the markings on the face are in place (yet changing