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- The Sturgess Hydraulic Turbine Water Wheel Governor.
- A vintage hydroelectric power plant history project.
- The Sturgess Governor System.
- 6
- General view of the Paper Company and the Hydro-Electric Power Plant.
- 4
- 4
- 5
- The Holyoke Improved Governor System.
- 12
- PLAN VIEW OF GENERATING STATION.
- Closeup of the Hydro Turbine Water Wheel System.
- A Berkshire Hydro-Electric Power Plant History.