A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c8.19
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c8.19
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v1.c8.19
Extracts from Book IV—On Apparatus and the Colour of Flames—Dola Yantram—An Apparatus for Killing Metals—Garbha Yantram—Efficacy of the Apparatus—Hamsapáka Yantram—Crucibles—Colour of Flames—Tests of a Pure Metal—Koshtí Apparatus—Colophon to Chapter IV—The Alkalies—The Maharasas—Copper from the Pyrites—Brass from Calmine and Copper Mistaken for Gold—Extraction of Zinc from Calmine—Saurashtri—The Metals—The Killing of Metals—Purification of Quicksilver—Killing of Mercury—Killing of Gold—Tests for Killed Mercury—Colouring of Metals . . . . . . 64