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Speer Products Company letter. Page 3.

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Speer Products Company letter. Page 3..jpg

Patent number 1,106,434, circa 1914.

Speer Products Company letter. Page 2.

Created on: Monday 31 July 2017
Posted on: Monday 31 July 2017
Albums: HISTORICAL WATER POWER ENGINEERING. / Historical Power House Equipment and Woodward mechanical compensating type water wheel governor data. / WOODWARD COMPENSATING TYPE WATER WHEEL GOVERNOR DATA / WOODWARD SIZE D COMPENSATING TYPE WATER WHEEL GOVERNOR SERIAL NUMBER 6039.
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