Fuel Quantity Indicator, Front-Reserve Tanks, P-38 Lightning, GE 8DJ12LAN F-8 Crusader hence the suction gauge in

hence the suction gauge in the upper right corner to indicate the performance status of the pneumatic system

as it appears that Army Post Office 512 was in or near Algiers

The equipment is being redesigned for production by Ryan Aeronautical Company with the expectation that it will weigh about 175 lbs

Turning the set course knob rotates the course dial to bring the desired track figure under the course index

The knob situated below the display on the indicator rotates to the oil tank display 1 thru 4 (see photo of display partially rotated)

Fuel Quantity Indicator, Front-Reserve Tanks, P-38 Lightning, GE 8DJ12LAN F-8 Crusader hence the suction gauge inHere is a fine specimen of a Fuel Quantity Indicator for the Reserve (Front) fuel tanks as used in versions of the infamous US Army Air Force twin tailed fighter P 38 Lightning, made by General Electric, Model 8DJ12LAN The P 38 had two fuel quantity indicators.. this was for the front reserve tanks, each holding 0 60 gals. The indicator has two pointers (the second one is barely visible in the photo as it rests behind the other) one for each tank. See