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Edward P. Allis history, circa 1893.

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Edward P. Allis history, circa 1893..jpg

The Woodward 517 Digital Control System.

Researching and documenting the evolution of the Woodward governor in advertisements.

Created on: Sunday 14 July 2019
Posted on: Sunday 14 July 2019
Albums: History of the speed regulation of hydro-electric turbines. / A New Type Of Water Wheel Governor, circa 1908. / Another article on a new type of hydraulic turbine water wheel governor.
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