Fuel Quantity Indicator, TBM Avenger, 4 Tank, Liquidometer EA-140-4 C-7 with two small lamps intact

with two small lamps intact

see illustration from its Erection and Maintenance manual dated 1945

HAYES G-3-217

as the case has a label as a torque indicator

It included a toggle in the center to test that the bulbs were good

Fuel Quantity Indicator, TBM Avenger, 4 Tank, Liquidometer EA-140-4 C-7 with two small lamps intactHere is an 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 140 4, FSSC number 88 I 2121, the unit indicated fuel quantity in four tanks: left, right, and center wing tanks, and the bomb bay droppable tank. The part numbers have been confirmed in the TBM Avenger Erection and Maintenance Manual dated August 1945. See photo from the TBM Avenger