History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c12.s1.5
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c12.s1.5
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c12.s1.5
(*b*) Refined copper, on account of its purity and ductility, rendered it quite suitable for making vessels of elaborate shapes, as also for obtaining sound casting in closed moulds. The presence of small amounts of arsenic and antimony imparted appreciable hardness to the metal.