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 83
he necessary precision. On all modem guns, therefore, a double sight isprovided, by which the elevation necessary to secure accurate aim can alwaysbe given to the barrel This is exhibited in Fig. 50, where one of the sights,B, is fixed, in the usual manner, at one extremity of the barrel, while… … What is Cir-cular Motion? 163.ducedcentral point. 164. Circular Motion is the motion pro-by the revolution of a body about a Hoir if Circn.lar Motion pro-duced} Circular Motion is a species of com-pound motion, and is caused by the continuedoperation of two forces ;—one the force ofprojection,…
Physics · Science · Technology
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