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Pressure Gauge, Dual Engine, Japanese G4M Betty Bomber


Pressure Gauge, Dual Engine, Japanese G4M Betty Bomber

Not for Sale

This artifact resides in our Private Collection, yet we welcome inquiries from restorers, museums, or serious enthusiasts. Please email us with the name of the artifact at

This is a WWII-era  Dual Engine Pressure Gauge as used in the Japanese Bomber Mitsubishi G4M Betty. The gauge displays pressure for both engines simultaneously, from 0-50 (PSI or bar, unknown).

The G4M Betty was the main land-based bomber operated by the Japanese Navy Air Service during WWII. It was a G4M in which the architect of the attacks on Pearl Harbor and Midway Island, Admiral Yamamoto, was shot down by US Army Air Force P-38s over the South Pacific Island of Bougainville, where he and the crew perished.  

The instrument is in terrific condition given its age. The glass and case are intact and the markings clear and precise.Measures 2 inches diameter by 2 inches deep. 

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