Fuel Quantity Indicator, Four Tanks, C-47 Skytrain, Dakota, WWII Vickers then the larger pointer indicates

then the larger pointer indicates RPM around the outer scale from 50-110%

two remote controls are provided and

The calculator contains diagrams and a graph

according to the US Army Air Force's Interchangeability Cross Reference Chart dated Feb 1945

It is similar to the more common AN-104 Mast Antenna used in later aircraft versions

Fuel Quantity Indicator, Four Tanks, C-47 Skytrain, Dakota, WWII Vickers then the larger pointer indicatesHere is a Fuel Quantity Indicator as used in the WWII era Douglas C 47 Skytrain (aka Dakota in the RAF), which appeared on the right side of the instrument panel (see photo from the WWII C 47 Pilot Training Manual showing its location). The C 47 had 4 primary fuel tanks: Left Main, Right Main, Left Auxiliary, Right Auxiliary. The main tanks had a capacity of 202 gallons each, and the auxiliary tanks, 200 gallons, per the manual. The co pilot would