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Patent 103,813, circa 1870.

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Patent 103,813, circa 1870..jpg

Patent model picture 1.

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Posted on: Thursday 11 January 2018
Albums: Historical Woodward Governor Company Prime Mover Control Patents. / Amos W. Woodward's patent for Improvement in Water- Governors / The saga of the Woodward patent model, patent number 103,813.
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