James Beaumont Neilson was the inventor, and his estate still holds the first patent on, the 'Hot Blast' method of smelting iron and steel. He had to defend his patent several times in British courts but always successfully.
James Beaumont Neilson was the inventor, and his estate still holds the first patent on, the 'Hot Blast' method of smelting iron and steel. He had to defend his patent several times in British courts but always successfully.
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