Identification of German Aircraft/Luftwaffe, US War Dept, 1942, FM 30-35 JU-88 This is a dual Oil

This is a dual Oil Pressure indicator as used to measure oil pressure in the left and right hand supercharger sumps in the US Air Force C-121 transport version of the Lockheed Constellation

The part numbers have been confirmed in the TBM Avenger Erection and Maintenance Manual dated August 1945

The indicator is New Old Stock and in exceptional condition give its age

USN 33451 has been etched on the back of the case

Identification of German Aircraft/Luftwaffe, US War Dept, 1942, FM 30-35 JU-88 This is a dual OilThis is a Field Manual for the Identification of German Aircraft published for US Military Intelligence by the War Department in March 1942. It was clearly published in the rush to war in order to provide service personnel with the best information available at the time regarding the aircraft of their adversary. This 140 page manual describes and illustrates ~68 aircraft of the German Luftwaffe and Navy. The manual is in good condition. Pages 9 16 are