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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 107

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 107
ht apphed to the ch-cumference. In the tread-mill (Fig. 78) a number of personsstepping upon the circumference of a wheel causeit to revolve. Similar maclunes are often adopted inferry-boats, moved by horses, and called horse-boats. In most water-wheels, power is obtained by theaction of water… … Fig. 79. How manykinds of pul-leys ftre there ? What is a fix-ed pulley ? Describe theworking andadvantage ofthe fixed pulley.

Physics · Science · Technology

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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