Wheel and Flap Position Indicator, AN5780-T3, 8DJ26AAA

This is a late WWII-era and Post war Wheel and Flap Position Indicator, Type AN5780-3, as used in  aircraft of the US Army Air Force and US Navy with tail wheel or nose wheel landing gear, serving both configurations (prior models were dedicated to each configuration). According to the Maintenance Interchangeability Chart dated Feb 1945, this indicator was being used in late models of medium bomber B-26 Marauder, attack bomber A-20 Havoc, and night fighter P-61 Black Widow, all nose gear configurations. This indicator has the color scheme with Munsell green, evidence of its use in US Navy aircraft. The post war USN fighter F8F Bearcat used the AN5780-3 as documented in its Erection and Maintenance Manual dated 1948. The USN jet fighter F9F Panther also used this indicator, see image of instrument panel from its flight manual. When the individual wheels are down, the rotating display for each wheel shows the image of a wheel in the down position. The appearance of red diagonal lines ind