Oil Quantity Indicator, 4 Tank, EA-48-16, B-29 Superfortress A4 Skyhawk Advanced with Radio Aids (TO

Advanced with Radio Aids (TO 30-100B-1

the ring is turned until the two white wires are parallel to the North-South lines on the card

part number 162-024-200

Mark V FSSC 88-I-2500

Oxygen Pressure

Oil Quantity Indicator, 4 Tank, EA-48-16, B-29 Superfortress A4 Skyhawk Advanced with Radio Aids (TOThis is an authentic WWII era quad tank Oil Quantity Indicator made by Liquidometer, PN EA 48 16, as used in the US Army Air Force's Boeing B 29 Superfortress (see illustrations of B 29 Flight Engineer's instrument panel showing instrument location). Each of the four engines in a B 29 had an 80 gallon oil tank in the nacelle with a 5 gallon expansion space. The knob situated below the display on the indicator rotates to the oil tank display 1 thru 4,