The Gypsum Files

Notes on the Rock Nobody Knows

links for 2010-10-07

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  • "Plaster decoration was widely used in Europe in the Middle Ages where, from the mid-13th century, gypsum plaster was used for internal and external plaster. Hair was employed as reinforcement, with additives to assist set or plasticity including malt, urine, beer, milk and eggs."
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Written by Elizabeth McCullough

October 8, 2010 at 12:34 am

Posted in Uncategorized

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