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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 (1914)

Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 249

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, 1914, leaf 249
Side view of cranks and treadle connections. … 638. THE DEAD CENTER PROB-LEM. The crank pin is held off the cen-ter by the spring J, the tension of whichalways pushes the crank pin off the center.Shows the action of a single treadle iny the two extreme positions. 639. THE DEAD CENTER PROBLEM. A supplementary crank set at an angle with thepedal…

Mechanical movements

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