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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 337

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 337
RIER. Four-rope system with loop blocksto support the fall rope. The traction rope is anendless one, driven fromone end of the carrier plant.The lift is three times thepower of the fall rope. 332 ENGINEERING AND CONSTRUCTION, ETC. 859. CRIB DAM. Ottawa River type. A crib framing of timberfilled in… … ?3t;£:;*?% 860. COUNTERBALANCED 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…

Mechanical movements

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