History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c24.4
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c24.4
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c24.4
*Copper from Blue Vitriol*:—Blue vitriol rubbed with three varieties of myrobalans, honey, borax, etc., when heated strongly, gives its essence.