Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 80
may be equal. This is well shown by the appa-ratus of Fig. 83. A funnel shapedvessel is screwed to the top of acylinder the bottom of which isclosed by a metal plate held inplace by the arm of a balance.Weights are placed in the oppositescale pan, not shown in the figure,until equilibrium is… … Fig. 83. entire mass of liquid is much less,bottom is determined by the height. 249. Reservoirs. A reservoir is a structure of earthworkor masonry to hold a supply of water. Since the pressureagainst the structure results from gravity, it will standwhen its weight equals the pressure. Eeservoirs…
Physics
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