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 123
remains in theupper globe. Exhaust, and it again fallsinto the centre one.^. 97. The expansive force of the air isdirectly as the pressure upon it. — Removethe exterior jet of the Artificial Fountain-glass, Fig 99. Screw to the centre hole of the pump-plate,and exhaust; replace the jet, immerse the…
Physics
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