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Scientific American 1880-08-14
118/1099
Manufacture of steel: Pittsburgh steel works, Anderson & Co., Pittsburgh, Pennsylvania. Rod rolling mill; pouring cast steel ingots; the 15-ton open hearth furnace; rolling the steel; cutting agricultural shapes.
Source: Steve Kirch, creator of a wonderful website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
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- Tuesday 27 January 2009
- Posted on
- Tuesday 27 January 2009
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