History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.21
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.21
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c17.s3.21
*Copper from the Pyrites* :—"*Makshika*, repeatedly soaked in honey, oil of *Ricinus communis*, urine of the cow, clarified butter and the extract of the bulbous root of *Musa sapientum*, and heated in a crucible, yields an essence in the shape of copper."