History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c19.4
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c19.4
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c19.4
3. Thus there will be a paint, and if it is applied first three times, then seven times, and then twenty-one times to a thin piece of iron it becomes copper.