American Bosch hydrometer cutaway. Designed to be used on Cummins.
Japanese PFF/075 RAR six-cylinder fuel injection pump. Mitsubishi fuel injection pump.
American Bosch PJB 2BF 120A 2775C for Fairbanks Morse submarine engine. circa 1950.
American Bosch gasoline injection pump for nine cylinder radial Wright engine. circa 1939-1943.