Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 69
truction for Using the Steam-engine Indicator,Crosby Steam-gage and Valve Co. 48 THE STEAM-ENGINE AND OTHER HEAT-MOTORS. steel. Its shell is made as thin as possible consistent with properstrength. It is hardened to prevent any reduction of its area bywearing, then ground and lapped to fit (to the… … Fig 26.-Crosby Indicator—Cress-section. undue leakage by the piston. The transverse web near its centersupports a central socket, which projects both upward and down-ward; the upper part is threaded inside to receive the lower endof the piston-rod; the upper edge of this socket is formed to…
Steam-engines · Heat-engines
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