A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s6.9
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.s6.9
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v2.c32.s6.9
* * * The essence extracted from the alums (i.e. oil of vitriol) is to be used for operations with metals and not as medicine.