< Page:Popular Science Monthly Volume 40.djvu
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31
AMERICAN INDUSTRIES SINCE COLUMBUS.
are many mills in the United States that can produce more than ten times as much in the same time. In the more perfectly arranged
Fig. 65.—Night Scene outside a Casting-house.
steel-works the molten metal is taken directly from the blast-furnace to the converter, and, after being "blown," is cast
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