Pressure Gauge, Dual Engine, Japanese G4M Betty Bomber Beaufort it is marked for engines

it is marked for engines 1 &2

which is still in our possession but no worse for wear

25 inches by ~7inches deep

When gently pulled down

Pressure Gauge, Dual Engine, Japanese G4M Betty Bomber Beaufort it is marked for enginesThis 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