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 81
7(5 WELLSS NATURAL PHILOSOPHY. upon a particular spot in the distance ; thus producing adesired effect without a wasteful expenditure of ammuni-tion. Fig. 48. … Fig. 48 represents a bombardment, and the three lines indicate the curvesmade by the balls. If the bombardment had been conducted from an eleva-tion, instead of the level surface, the balls would have gone beyond the city,ns shown by the familiar fact, that we can throw a heavy body to a…
Physics · Science · Technology
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