Sydney Gilchrist Thomas
1850-1885
English inventor and metallurgist who, with his cousin Percy Gilchrist, developed an improved iron-smelting process that removed phosphorus. The Gilchrist-Thomas proc...
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One of the major impurities often found in iron ore is phosphorus. During the 1850s, Henry Bessemer developed a conversion process whereby carbonic impurities could be burned away, but his method work...
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Sydney Gilchrist Thomas
Sidney Gilchrist Thomas