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 97
tube, hermetrically sealed at one end, andprovided w^ith a cup and stop-cock at theother. Experiment. — Remove the scop-cock,and fill the tube about half full of clearwater; replace this, and, by means of thecoupler and hose, figures 51 and 63, connect with the air-pump,and with the stop-cock open,… … * A more simple and economical mode of illustrating the same principle isby means of the long Guinea and Feather Tube, Fig. 60. Screw this to thecentre hole of the pump-plate ; or, if too long and heavy, connect with thisby means of the coupler and hose, figures 51 and 63. Before exhausting,…
Physics
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