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- The inside of a compensating dashpot casting.
- The inside of a compensating dashpot casting.
- The Jordan Hydroelectric Power Plant Data, circa 1908.
- The last generation schematic drawing of the Woodward Governor Company's Turbine Water Wheel Governor system(gate shaft type).
- The last generation(1995) schematic drawing of the Woodward Governor Company's Turbine Water Wheel Governor system.
- The last generation(1995) schematic drawing of the Woodward Governor Company's Turbine Water Wheel Governor system.
- The Lombard Governor Company at Folsom 2
- The Lombard Governor Company at Folsom 1
- The Lombard Governor Company name plate
- THE LOMBARD GOVERNOR COMPANY, CIRCA 1919.
- The Mill City hydro dam.
- The Mill City hydro dam.
- The Mill City hydro dam.
- The Mill City hydro-electric power house in 1897.
- The Mill City hydro-electric power house.