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Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1910)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 294

An illustration from Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries, 1910, leaf 294
MILL AND FACTORY APPLIANCES AND TOOLS, ETC. 293 The hammer handle is connected to a foot lever, Q, by a cord, S ; acoiled spring is fitted, to be contracted when the hammer is forced down,for raising the hammer again. The spring bears against the head of theshaft, C, and the rod connects with the… … 764. BELT-DRIVEN FORG-ING HAMMER. Bradley type.The hammer in guides is oper-ated by an elastic strap attachedto the yoke of a helve vibratedby elastic cushions and an armwdth adjustable connecting rodto an eccentric on the belt shaft. The treadle controls the blowof the hammer by a frictionbrake.

Mechanical movements

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