Search Results - Marshall, Hugh
Hugh Marshall
Hugh Marshall (7 January 1868 – 5 September 1913) was a Scottish chemist who discovered persulphates in 1891. He was the inventor of '''Marshall's acid'''. In 1902 he proposed the modified sign of equality- Showing 1 - 2 results of 2
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Art-directing photography by Marshall, Hugh
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Art-directing photography by Marshall, Hugh
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