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- ELMER E. WOODWARD'S LAHTE CENTER GRINDER PATENT NUMBER 438,876.
- SHOW ME THE DATA!
- A vintage machine shop manufacturing history project.
- Ontairio Power Company's Hydro Plant Extension History.
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- Engineering World of History.
- Engineering World of History.
- Weight Multiplied By Square of Radius.
- Weight Multiplied By Square of Radius.
- THE CARIBOU POWER PLANT COMPLETED.
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