Page:A History of Hindu Chemistry Vol 1.djvu/223

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"Quicksilver rubbed with the juice of the aforesaid plants (vide original text) and distilled seven times, becomes pure."

"Quicksilver, made into a paste by being rubbed with copper and subjected to distillation, leaves behind tin and lead [with which they are often adulterated] and becomes pure."

"Green-vitriol, alum, salt, borax, mixed with the aforesaid vegetable drugs, (vide original text), kill mercury in an instant [in the shape of calomel."]

"Salt-petre, green vitriol, sea-salt, rock-salt, mustard, borax, salammoniac, camphor, the pyrites—all these are to be taken in equal parts. The crucible is to be smeared with the milky juice of euphorbia neriifolia and asclepias gigantea; then, having added the powder of the aforesaid "vida," the gold is to be killed, my beloved!"