History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.s2.4
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.s2.4
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c15.s2.4
[Figure: Fig. 23. Copper bolt in the Rampurwa Asoka Pillar. (Neogi, *Copper in Ancient India*)]