A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t10.7
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t10.7
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v1.c12.t10.7
When metals have undergone roasting they cannot be roasted to their former condition (*i.e.* they lose their own properties) and they acquire superior qualities, fill up the lines in the fingers and do not sink in water.¹ 51