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- THE NEW GOVERNORS OF NIAGARA FALLS. PAGE 2.
- THE NEW GOVERNORS OF NIAGARA FALLS.
- Page 29. Hydro power history project.
- History of the shaft governor. Page 3.
- History of the shaft governor. Page 2.
- History of the shaft governor.
- Faesch & Piccard mechanical governor system.
- Faesch & Piccard mechanical governor system.
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