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 366
ine in the highestdegree convenience and economy. * Ordinary well-water, or water that lias been subjected to considerableprtssure, contains few if any animalculse. These are best sbown by waterfrom a pool exposed to sunlight. 356 OXYGEN, HOW PREPARED. The first and preferable method of making… … for the Drummond Light, or other purposes. C is a copperflask, varying in capacity from one pint to a quart, providedwith a plug, 5, which screws into its nozzle against an air-tightshoulder ; to 5 is attached, by soldering, a brass tube; overthe end of this tube, at ^, a proper distance from the…
Physics
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