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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 41

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 41
, 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. 37 42. WIND FORCE REGISTER. The metal drum, a a, is madeof tin plate ; it is two feet in height and one foot in diameter, suspended by a chain, by to a strong support, c, onthe roof of the Observatory; its lowerend is connected by a chain and guiderod, d, with a…

Mechanical movements

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