Pressure Gauge, Dual Engine, Japanese G4M Betty Bomber Beaufort "Armament & Fields of Fire

"Armament & Fields of Fire

As the engine speed increased

5 inch pocket reference was likely used by maintenance technicians at US Navy seaplane bases operating these two aircraft

which is still in our possession but no worse for wear

Pressure Gauge, Dual Engine, Japanese G4M Betty Bomber Beaufort "Armament & Fields of FireThis 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