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0390000646

Putting ball of white-hot iron into a rotary squeezer to remove the slag and cinder, and force the metal into the shape of a cylinder or 'bloom'. Phoenix Iron and Bridge Works, Phoenixville, Pennsylvania. From'The Science Record', New York, 1873. Engraving.

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Putting ball of white-hot iron into a rotary squeezer to remove the slag and cinder, and force the metal into the shape of a cylinder or 'bloom'. Phoenix Iron and Bridge Works, Phoenixville, Pennsylvania. From'The Science Record', New York, 1873. Engraving.