he precise effects as in ordinary mechanical opera- nature of the various reactions through tions, even the broad truths by which so which the actual results are always defi- many of the phenomena of every-day life nitely obtained. The niter, whichis used are explained, involving as they do a in… … less than for its great importance as a specified quantity of nitric acid required branch of American industry, the illustra- is introduced directly into the leaden tions we herewith give of the manufacture of chemicals, the factories about tweaty tons a day are used. The oven-] chambers, instead…
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