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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 39

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 39
, which is strong enough tokeep the wire taut without stretchingit. The other end of the spring isattached to a stud projecting fromthe board. The pulleys are of dif-ferent diameters, so that each seriesforms a cone. By this constructionthe wire of one convolution is pre-vented from covering the… … MEASUREMENT OF POWER, SPRINGS. 3; 42. WIND FORCE REGISTER. The metal drum, ^ ^, is madeof tin plate ; it is two feet in height and one foot in diameter, suspended by a chain, b, to a strong support, r, onthe roof of the Observatory; its lowerend is connected by a chain and guiderod, d, with a…

Mechanical movements

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