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 485
ower necessary for raising the hammer to the requiredelevation (three feet) is generated. L, the steam-valve chest, bolted to the lower side of the cylinder, within which the valve k is fittedto work upon a face cast with the cylinder. The steam, after having accomplished its work, is permit-ted to… … the top of the cylinder, so that the steam may blow out int.i tho air wlien the piston ises above theiredges. It may here be remarked that the efficacy of the blows of the hammer, and the security fromdamage to the parts of the machinery, are in this case, as in that of the steam foi^e-hamraer,…
Mechanical engineering · Mechanics · Engineering
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