Fuel Filler Cap, BF 109 FW 190 Luftwaffe BT-12 Consisting of 258 pages and

Consisting of 258 pages and dozens of illustrations and diagrams

The indicator essentially is measuring differential pressure in the fuel line/tank

Measures ~3 inches tall by ~3

and a leatherette container

This example is in good cosmetic condition and functions as it should

Fuel Filler Cap, BF 109 FW 190 Luftwaffe BT-12 Consisting of 258 pages andWe have been advised that this is a WWII era Fuel Filler Cap for the Luftwaffe's Messerschmidt Bf109 Fighter, and also used on the Focke Wulf Fw190 Fighter. Manufactured by Deutche Benzin Uhrin, stamped "DBU", "Kraftstoff" (fuel), and "Beluftungsventil" (vented). The corrosion is evidence of its age, but it is in reasonable condition for such an artifact. Measures ~3 inches diameter, ~5 inches across, and ~1. 5 inches deep.