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Creation date / 2019 / All / 6
- Woodward... At the Heart of the Energy Control System Since 1870.
- A Woodward gate shaft opening positioning dial in the collection.
- The Prairie du Sac Hydro-electric power plant history.
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- Page 6.
- From a customer's letter to Woodward about theory of operation on his device.
- A Pierce governor cutaway type drawing.
- Blue print drawing history project.
- Blue print drawing history project.
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- GEN2 044
- 4. The Pierce governor in the oldwoodward.com collection, showing the schematic drawing of the control.
- A Hydro Power Industry history project.
- The James Leffel & Company's factory history.
- WOODWARD HYDRAULIC GOVERNORS.