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Scientific American, Vol. 68, No. 23 (1893) (1893)
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pecially adapted to vision being made for a continuous circuit with the miles northeast of the town of Kaszta, in the Iowa wash, screen, dry and separate coal, culm, pebble phos- River bottom timber. They stand seven feet apart. motor and the return of the current to one of the con- phates. ore and… … ment works amounted to $5,353,250. though it were so much water. It was a simple trick, yet perfectly effective. The work for breaking up the middle © 1893 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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