Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 574
of the New World. Another variety of geer in fre-quent use lias but one rock-shaft and eccentric, with but two lifter-rods. The exhaust lifters and theiraction are precisely the same as in the geer already described. The steam lifters, which are, like theothers, keyed to the rod, have spring… … S72 ENGINE. VARIETIES OF THE STEAM. able stop, or with a reciprocating arm, moved by the engine. The valves then fall by their own weightTo prevent damage arising from the concussion, a contrivance called the dash-pot is made use of: thisconsists of a small cylinder containing water, and a piston…
Mechanical engineering · Mechanics · Engineering
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