Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 88
ing from a heavy hammer,where a light one would be inefficient. In dealing with hammers the following questions claimcareful consideration: What power or energy is in a hammer of known weight moving at a knownvelocity, if brought to a state of rest by impact on a block ? Can this impact effect of.… … 80 HAMMERS, HAND. be made clear, then the answer to the second can be readily obtained. The measurable elementswhich affect the result are a variation in the mass of the hammer-head and a variation in the lengthof the handle. By a varied mass there is a varied weight in the hammer; by a varied…
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