Oil Quantity Indicator, 4 Tank, Liquidometer, EA-48-16 B-29 S2 Tracker The procedure is changed from

The procedure is changed from Take-off to Landing and vice versa by rotating the knob in the lower left

up to 2000 PSI

It is in very good condition given its age

000 ft of altitude

It has "B-50" stamped on the rear case

Oil Quantity Indicator, 4 Tank, Liquidometer, EA-48-16 B-29 S2 Tracker The procedure is changed fromNormal 0 false false false MicrosoftInternetExplorer4 This 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