A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 140
ned into any posi-tion. When placed with its face in line with the pipe, itoffers very little resistance to the flow of steam to the en-gine. When set in the other position, it shuts off steamentirely and stops the engine. It is placed in such positionat any time, that the speed of the engine is… … Fig. 29.—The Governor. distinctively called, was another of Watts minor but veryessential inventions. Two heavy iron or brass balls, BB,were suspended from pins, C C, in a little cross-piece car-ried on the head of a vertical spindle, A A, driven by theengine. The speed of the engine varying, that…
Steam-engines
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