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Scientific American, Vol. 42, No. 5 (1880) (1880)
leaf 4
s ventilator, and has shown us some very 1878, the average velocity of the air passing through venti- the process, produces fifty tons of soda in twenty-four hours. flattering testimonials in regard to its efficiency. The lixiviation is carried on in the apparatus and accord- lators was about 100… … An iraprovement in swivels mechanically as rapidly as for bridle rein loops, patented they are formed, © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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