A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t3.1
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t3.1
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v1.c12.t3.1
Sulphur, red ochre, vitriol, alum, orpiment, realgar, anjana and *kamkushtha*—these are the eight uparasas, useful in operations of mercury. I