History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s1.4
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s1.4
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- English
c17.s1.4
What wonder is it that yellow sulphur, purified with the juice of *Butea monosperma*, converts silver into gold when roasted thrice over the fire of cow-dung cakes? 2