History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.9
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.9
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c17.s3.9
*Hamsapaka Yantram* ·—"Take an earthen dish and fill it with sand, and then place another over it · apply gentle heat. Now digest in this apparatus (the ingredients) with the five alkalies, the urines and the *vida*. This is known as the *hamsapaka yantram* by the adepts."