A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s14.14
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s14.14
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v2.c32.s14.14
∗ The sulphide of arsenic on being rubbed with mercury and gently heated converts the latter itself into the sulphide. The mercury is thereby killed and *fixed*, *i. e.* deprived of its volatility (clipped of its wings—the Hindu alchemist's favourite figure).