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CONTENTS
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PAGE
tiation into Discipleship—On the Laboratory—On Technical Terms—Tests for Killed Iron—Antimony from Stibnite—Certain Other Technical Terms—On Apparatus (the Yantras)—Dola Yantram—Svedani Yantram—Pátaná Yantram—Adhaspátana Yantram—Dheki Yantram—Váluka Yantram (Sand-bath)—Lavana Yantram—Náliká Yantram—Tiryakpátana Yantram—Vidyádhara Yantram—Dhúpa Yantram—On the Ingredients for Crucibles, &c.—Vrintaka Crucible—Calcination, Roasting, &c.—The Metals—The Salts—The Alkalies—The Oils—The Fats—The Urines—The Acids—The Earth—The Poisons—The Solvents—On the Purification of Mercury—Fixation of Mercury—Incineration of Mercury |
76 |
Notes on the Minerals |
133 |
Alum and Green Vitirol |
146 |
ON METALS AND METALLURGY
152
Zinc |
156 |
De la formation des métaux |
162 |
On the Essence of Minerals |
169 |
Calamine—The Vitriols—Blue Vitriol |
169–171 |
ON GUNPOWDER, SALTPETRE AND THE MINERAL ACIDS
Gunpowder—Saltpetre—Mineral Acids |
174 |
KNOWLEDGE OF TECHNICAL ARTS AND DECLINE OF SCIENTIFIC SPIRIT |
190 |
The Wastage of Gold in the Course of Preparing Jewelry in Bengal
Soldering—Filing and Cutting—The Chemical Operations of the Goldsmith: Cleansing, Colouring and Polishing |
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