Wheel and Flap Position Indicator, AN-5780-2 RAF The indicator is unlabeled

The indicator is unlabeled

or release it for use during flight

The knobs turn and the scope rotates in its base when installed as intended

Here is a Fuel Pressure Indicator for a dual engine aircraft (or two used for a 4 engine aircraft)

This was a module of the B-36's Central Fire Control System

Wheel and Flap Position Indicator, AN-5780-2 RAF The indicator is unlabeledHere is a Type AN 5780 2 Wheel and Flap Position Indicator used in WWII and post WWII aircraft with a nose wheel (vs tail wheel aircraft). According to the US Army Air Force Interchangeability Cross Reference Chart dated February 1945, the AN 5870 2 indicator was used in bombers B 26, A 26, and A 20, as well as in the fighter P 38. The position of the wheels were indicated by the 3 small window insets, one each on the nose and each wing. The position