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Louis Brockmann
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Individual
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Publication of GB189724609ApublicationCriticalpatent/GB189724609A/en
24,609. Brockmann, L. Oct. 23. Stone, artificial.-An artificial stone or marble having a smooth or polished surface is produced by moulding in smooth-faced moulds a mixture of pulverized gravel, magnesite, barytes, and colouring-medium worked up with a solution of chloride of magnesium, alum, and water glass.
GB189724609D1897-10-231897-10-23Improvements in the Production of Artificial Stone.
ExpiredGB189724609A
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