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The American patent office.

32863/55764

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✔ S - small (412 x 432)
✔ Original (478 x 500)

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The Saga of a Patent Model.

Patent history project.

Posted on: Tuesday 10 December 2019
Albums: Historical Woodward Governor Company Prime Mover Control Patents. / Amos W. Woodward's patent for Improvement in Water- Governors
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