A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 109
Newcomen model, as it happened, had a boilerwhich, although made to a scale from engines in actual use. 84 THE DEVELOPMENT OF THE MODERN STEAM-ENGINE. was quite incapable of furnishing steam enough to work theengine. It was about nine inches in diameter ; the steam-cylinder was two inches in… … Fig. 24.—The Newcomen Model. Watt made a new boiler for the experimental investiga-tion on which he was about to enter, and arranged it in sucha manner that he could measure the quantity of water evap-orated and of steam used at every stroke of the engine. He soon discovered that it fequired but a…
Steam-engines
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