Fuel Quantity Indicator, TBM Avenger (early), 4 Tank, Liquidometer EA-101-1
Here is another exceptional artifact from the iconic WWII-era US Navy Torpedo Bomber, the TBM Avenger: a 4-tank Fuel Quantity Indicator. Made by Liquidometer, part number EA-101-1, the unit indicated fuel quantity in four tanks: left, right, and center wing tanks, and the bomb bay droppable tank, in concentric scales respectively starting from center axis.
This indicator appeared in early versions of the TBM and can be seen in this TBM/F training video at minute 6.22. The capacities of each tank match those shown on the fuel quantity indicator of the later TBM version, see our listing here. A fuel tank selector switch was mounted on the panel above this indicator. The pilot would view the fuel quantity in a specific tank by selecting the tank with the switch, and the quantity would be displayed on the corresponding scale by the single pointer.
This example is in nice condition given its age, see photos. Measures 3.25 inches diameter and ~3.5 inches deep.