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Scientific American, New Series, Vol. 4, No. 13 (March 30, 1861) (1861)

leaf 7

An illustration from Scientific American, New Series, Vol. 4, No. 13 (March 30, 1861), 1861, leaf 7
of +2 | revolving beater, close over the top of the cylinder, forests upon the atmosphere :—* We find the most The Oreide of Gold. knocks the burs off into a box placed in proper post- evident signs of it in the torrid zone. The forests This substance, of which so many articles called tion to… … (June, 1857). It is composed of 106 moreover, evaporation of the earth goex parts (by weight) of pure copper, 17 of on more slowly beneath the trees, and zine, 6 of common magnesia, since these also evaporate very copiously from beneath the teeth of the bur ¢ in a hot climate, the atmosphere in…

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