History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c35.4
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c35.4
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c35.4
*Calcination, Roasting, etc.* :—When metals have undergone roasting they cannot be roasted to their former condition (i e. they lose their own properties) and they acquire superior qualities, fill up the lines in the fingers and do not sink in water. 51