A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 405
s of a pair oflinks, and the motion of the opposite end of the beam istransmitted to the crank by a connecting-rod of moderatelength. The beam has a cast-iron centre surrounded by awrought-iron strap of lozenge shape, in which are forged 380 THE STEAM-ENGINE OP TO-DAY. the bosses for the… … Fig. 130.—Beam-Engino. The crank and shaft are of wrought-iron. The valve-gearis usually of the form already mentioned as the Stevensvalve-gear, the invention of Robert L. and Francis B. Ste-vens. The condenser is placed immediately beneath the MARINE ENGINES. 381 steam-cylinder. The air-pump is…
Steam-engines
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