Oil Quantity Indicator, 4 Tank Selector, Liquidometer, EA-48-16 B-29 Italian made by Electric Auto-Lite

made by Electric Auto-Lite

See photo of the location of the instruments on the Flight Engineers lower instrument panel from the C-121 flight manual dated 1958

Here is an aircraft Pressure Gauge

On the face is marked "BU AERO" (Bureau of Aeronautics)

Oil Quantity Indicator, 4 Tank Selector, Liquidometer, EA-48-16 B-29 Italian made by Electric Auto-LiteNormal 0 false false false MicrosoftInternetExplorer4 This is an authentic vintage 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 photo of B 29 Flight Engineer's instrument panel with a red dot showing instrument location). The knob situated below the display rotates to oil reservoir 1 thru 4 (see photo of display partially rotated), indicating the quantity of oil