Wheel and Flap Position Indicator, AN-5780-2 RAF The hose measures ~5 inches

The hose measures ~5 inches long

The dials on the front and back center rotate

Typically these were used to determine critical factors of flight and navigation while in the air

This Turn & Bank Indicator 1722-2AK-B2 made by Bendix

This is a used WWII-era Air Filter AN5821-1 as used on vacuum-operated Turn & Bank Indicators such as the A-5

Wheel and Flap Position Indicator, AN-5780-2 RAF The hose measures ~5 inchesThese are Type AN 5780 2 Wheel and Flap Position Indicators 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. These were also used in B 25's and its USN version PBJ. The position of the wheels were indicated by the 3 small window