A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c11.t4: Tamrayoga (lit. Powder of Copper Compound)

v1.c11.t4.1

“ Take a thin leaf of Nepalese copper and embed it in powdered sulphur. The substances are to be placed inside a saucer-shaped earthen-ware vessel and covered with another. The rims are luted with sugar or powdered rice-paste. The apparatus is heated in a sand-bath for three hours. The copper thus prepared is pounded and administered with other drugs.”