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Method of converting pig iron into wrought iron by subjecting it to heat and frequent stirring in a furnace in the presence of oxidizing substances (seeoxidation-reduction). Invented by Henry Cort in 1784 (superseding the finery process), it was the first method that allowed wrought iron to be produced on a large scale.
This entry comes from Encyclopædia Britannica Concise. For the full entry on puddling process, visit Britannica.com.
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