Henry Cort

Cort, Henry, 1740–1800, English inventor. He revolutionized the British iron industry with his use of grooved rollers to finish iron, replacing the process of hammering, and through his invention of the puddling process. This process, called puddling, involved stirring the molten pig iron in a reverbatory furnace until the decarburizing action of the air produced a loop of pure metal.

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