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 144
which is above the surface. The weight of the human body does not diflermuch from the weight of its own bulk of water; consequently, ^\hcn bathers walk in water chin-decji, their feet scarcely press upon the bottom, and they have not sufficient hold upon the ground to give them stability; a… … 140 WELLSS NATURAL PHILOSOPHY. bulk for bulk, than those of sparer habits: and as fat possesses a less specificgravity than water, a fat person will swim or float easier than a thin one. 315. It is not, however, necessary, in order that a body should float upon aliquid, that the materials of wliich…
Physics · Science · Technology
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