A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 181
end. The head of the piston-rod iscompelled to rise and fall in a vertical line by the Evanss 156 THE MODEKN STEAM-ENGINE. parallelogram —a kind of parallel-motion very similar toone of those designed by Watt. In the sketch (Fig. 46), 2is the crank, 3 the valve-motion, 4 the steam-pipe from… … Fig. 46.—Evanss Non-condensing Engine, 1800. Subsequently, Evans continued to extend the applica-tions of his engine and to perfect its details; and, othersfollowing in his track, the non-condensing engine is to-dayfulfilling the predictions which he made 70 years ago, whenhe said: I have no doubt…
Steam-engines
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