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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 40

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 40
n thewind blows, the tin cylinder is forcedinto some other position, as is shown inthe dotted figure, a a, and the pencil isdrawn upward. The more violent thewind the further will the tin cylinder bepushed aside, and the higher the pencildrawn. The force necessary to drawthe pencil upward to a… … 43. RECORDING WIND METER. On the ends of a crosssupported by a vertical shaft several feet above the roof of the building, are four hemispherical copper cups.These, whatever may be the directionof the wind, are caused to turn roundwith a speed, as has been determinedby experiment, of about…

Mechanical movements

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