- A vintage hydroelectric power plant history project.
- STURGRESS WATER WHEEL GOVERNORS.
- Circa 1925.
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- A vintage hydroelectric power plant history project.
- THE PELTON WATER WHEEL COMPANY.
- THE PELTON WATER WHEEL COMPANY.
- THE PELTON WATER WHEEL COMPANY.
- THE PELTON WATER WHEEL COMPANY.
- The Woodward Type "A" Actuator Governor System for 1924.
- An Export Woodward Turbine Water Wheel Governor sold to the Carrick & Ritchie, Waverley Works.
- A 1906 Woodward advertisement.