- A Woodward gateshaft governor by Celesta
- Vintage Hydroelectric Power Plant history.
- Vintage Hydroelectric Power Plant history.
- ANGELL WATER WHEEL COMPANY
- WOODWARD VR gateshaft Governor OFFSET CONTROL STANDARD BEFORE 1920
- HYDRO-QUEBEC
- L & S ELECTRIC.
- VOITH HYDRO
- A Woodward Governor Company's Hydraulic Water Wheel Governor Application.
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- REFERENCES.
- REFERENCES. 2.
- RECLAMATION PROJECT DATA
- A run of the river small hydro-electric power plant from 1915.
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