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Expired
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Stephen L Mershon
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Individual
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Individual
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Publication of GB190318284ApublicationCriticalpatent/GB190318284A/en
18,284. Mershon, S. L. Aug. 29, A.D. 1902, [date applied for under Patents Act, A.D. 1901]. Crucibles.-A refractory substance for making crucibles is formed by heating a natural fibrous, foliated, or similar silicate, preferably a magnesium silicate, such as talc, in successive stages. The articles may be carved,abraded, or otherwise formed before or after vitrification, and may be afterwards polished.
GB190318284D1902-08-291903-08-24Improvements in Refractory Articles of Manufacture
ExpiredGB190318284A
(en)