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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 335

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 335
ED DRAWBRIDGE. Morris Canaltype. The draw of the bridge, which is about 25 feet, is manipulatedby hand power. The entire length of the bridge is 55 feet. The prin-ciple of operation is clearly shown in the illustration. The weight ofthe draw being about three tons, two counterbalanced weights are…

Mechanical movements

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