A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 409
OF TO-DAY. or a little over 2^ pounds per horse-power. The construc-tion of such a vessel occupies, usually, about a year, andcosts a quarter of a million dollars. The non-condensing direct-acting engine is used princi-pally on the Western rivers, driven by steam of from 100to 150 pounds pressure,… … t-f Fio. 138.—A Mississippi Bteamtoat. levers having their fulcra on the opposite side of the valve,the stem of which latter is attached at an intermediatepoint. The engine is horizontal, and the connecting-roddirectly attached to cross-head and crank-pin without inter-mediate mechanism. The…
Steam-engines
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