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Thomas Jardine Armstrong
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Curing Cements, Concrete, And Artificial Stone
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Abstract
1457. Armstrong, T. J. Jan. 25. Cements; plasters.-Relates to the manufacture of Keene's and other cements by adding mineral matter to gypsum. The ground gypsum is soaked in the mineral solution, and the mass is moulded, burnt, and ground, thus avoiding the preliminary burning.
GB190501457D1905-01-251905-01-25An Improved Process in the Manufacture of Keen's or other Cements Having a Gypsum Base
ExpiredGB190501457A
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