Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 123
ment. lOO EXPERIMENTAL SCIENCE. may be confined in the reservoir by doubling the dischargetube or applying to it an ordinary pinch cock. A lightball of cork may be supported in the air jet while the nozzleis held in an inclined position, as shown in Fig. 99. By connecting the discharge pipe of the… … Ball Experiment. Card Experiment. A pin passing through the card into the central aperture ofthe spool prevents the card from shpping. Fig. loi shows a simple way of exhibiting the ballexperiment. The ball is held in the concavity of the spoolby blowing forcibly outward against it. In these cases…
Physics · Lantern projection · Electric apparatus and appliances
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