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 178
t attached tothe stop-cock. This may be done byopening this and drawing ofi the gastwice. To Jill the Electric Cannon or Gas-Pistol for firing by the electricspark. — Hold these over and just abovethe stop-cock or long jet attached, and J..- ———A let up the gas; then, before inverting,, m^^-^… … Use of the Pith-Ball Electrometers ? How is the Hydrogen Generator pre-pared for use ? Describe the process of fitting the Gas-Pistol for exploding byelectricity. ELECTRIC INSTRUMENTS. 173 explosive mixture of hydrogen gas and atmospheric air. Purehydrogen will not explode, and in these experiments…
Physics
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