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Creation date / 2020 / Week 11
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- 1. WOODWARD MANUFACTURED 3161 SERIES DIESEL ENGINE GOVERNOR SYSTEM.
- James Watt and the Kaufmann centrifugal governor system prototype.
- James Watt and the Kaufmann governor contraption.
- 1868 catalogue.
- THE JAMES LEFFEL & COMPANY CATALOG.
- JAMES LEFFEL & COMPANY'S DOUBLE TURBINE WATER WHEEL CATALOGUE, CIRCA 1868.
- JAMES LEFFEL & COMPANY'S DOUBLE TURBINE WATER WHEEL CATALOGUE, CIRCA 1868.
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- chi.82813478-seq 90
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