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Creation date / 2021 / Week 21
- FARM TRACTORS. A LIVING HISTORY.
- HISTORY OF ILLINOIS COMING SOON.
- A vintage farm tractor manufacturing history project.
- A vintage farm tractor manufacturing history project.
- The Westinghouse-Parsons Steam Turbine.
- The Westinghouse-Parsons Steam Turbine.
- Page 24. The governor system schematic drawing.
- A vintage machine shop manufacturing history project.
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