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Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)

Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 114

An illustration from Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings, 1873, leaf 114
THE .ELEMENTS OF MACHINERY. 109 … How is power ^*^ ^°^® ^^ commonly applied to the screw by means of appUed to the a lever, either attached to the nut, or to the head of the screw,Screw ? ^ ggpjj Jq Yig. 92. By varying the length of this, the power may be indefinitely increased at the point of resistance. The screw, there-fore,…

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Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.

More pictures from Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings

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