A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t5.55
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t5.55
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v1.c12.t5.55
Take of lead 20 palas and apply strong heat to it and drop into the molten metal one karsa of mercury and throw into it one after another the ashes of *Terminalia arjuna*, *T. bellerica*, pomegranate and *Achyranthes aspera*, weighing one pala each. The mass being vigorously stirred with an iron spoon for 20 nights in succession, the metal is calcined yielding a bright red ash.² 176-179