Page:Popular Science Monthly Volume 40.djvu/41

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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

PSM V40 D041 Night scene outside a casting house.jpg

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