The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 81
of the water, supposing the body to havea superficial area of 6 square feet, and the weight of a cubic foot ofwater to be 62i lbs. ? 12. Fishes have been drawn from the ocean at a depth of 2,800feet; at this depth, what pressure would one, having a superficialarea of 1 square foot, sustain ?… … AMERICAN AIR-PUMP. maintain their elastic form only so long as they are subjected* If desired by the instructor, this introduction may be omitted. ^ O AIR-PUMP. to the influence of heat in various degrees. Steam, for exam-ple, which is produced from boiling water, is readily condensed,and made to…
Physics
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