De la Pirotechnia

Chapter 2. On the method of preparing the ores before smelting. page 47.
Chapter 3. On the common forms of the machines and furnaces for smelting ores. page 49.
Chapter 4. On the method with which one proceeds in smelting ores. page 52.
Chapter 5. On the method with which lead, silver, and gold are separated from copper, when through the smelting of ores or other means they were all in one mass. page 53.
Chapter 6. On the method of refining silver with the cupel original: "copella"; a shallow, porous vessel made of bone ash used in assaying to separate precious metals from base metals., and the order of weights, and the method of performing assays for silver and gold more accurately. page 54.
Chapter 7. On the method with which ash-beds original: "ceneracci"; large-scale cupels made of compressed ashes used for refining silver in bulk. are made for refining silver in quantity. page 55.
Chapter 8. On the method of refining confrustagno original: "confrustagno"; a term for the crude copper-lead alloy resulting from the process of liquation. and bringing it to fine copper. page 59.
Chapter 9. On the method of refining litharge original: "ghetta"; lead oxide formed during the refining of silver, which is here being reduced back to pure lead. and bringing it to fine lead. page 60.
Chapter 10. On the properties and differences of charcoal. page 60.

BOOK FOUR.

Chapter 1. On the method of making common strong water original: "acqua acuta"; Renaissance term for nitric acid, the primary chemical used to "part" or separate gold from silver. to part gold from silver. page 64.
Chapter 2. On the method of performing the assay of a silver that contains a quantity of gold. page 66.
Chapter 3. On the method and practical experience of perfectly parting gold from silver in quantity with strong water. page 67.
Chapter 4. On the method of recovering silver and the "good water" reclaiming the nitric acid for reuse from the residues of the strong waters. page 68.
Chapter 5. On the warnings one must have when parting gold from silver with strong waters. page 69.
Chapter 6. On the method of parting gold from silver by means of sulfur or antimony. page 71.
Chapter 7. On the method of cementing original: "cimentare"; a dry refining process where gold is heated with corrosive salts to remove the last traces of silver and other impurities. gold and bringing it to its ultimate fineness. page 72.

BOOK FIVE.

Chapter 1. On the alloy of gold. page 73.
Chapter 2. On the alloy of silver with copper. page 74.
Chapter 3. On the alloy of copper. page 74.
Chapter 4. On the alloy of lead, and that of tin, and their purity and fineness. page 74.