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Scientific American, Vol. 13, No. 44 (1858) (1858)

leaf 3

An illustration from Scientific American, Vol. 13, No. 44 (1858), 1858, leaf 3
of these pans is a hole closed with stop- al process of vulcanization. nications can be addressed to Barnard’s Gold pers, which can be removed to allow the gold tion of the machine is to properly regulate the Separator, for further information. Sg ee Improved Ore Washer. Our engravings illustrate… … Iowa, from whom any more information may In Fig. 1, Aisa sieve pan, that separates be obtained. It was patented May 4, 1858. pebbles, &c., from the finer auriferous sub- is fitted loosely in a guide, d, the shank of 1 9 This invention consists in the use of a How to Consume Smoke. stances, which…

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