Metallurgy = El arte de los metales / translated from the spanish of Alvaro Alonzo Barba by Ross E. Douglass and E. P. Mathewson

PREFACE
APPROVAL OF THE POTOSI ROYAL COMMISSION
THE FIRST BOOK: THE MANNER IN WICH ORES ARE BEGOTTEN, AND THE THINGS THAT ACCOMPANY THEM: The things that are begotten with Ores ; The Smells of the Earths; Recognition of the Earths by their Tastes; Names and uses of some of the Earths; The Salts, and firstly, Alum; Copperas; Salt; Salt Ammoniac and other Salts; Other Salts called Betunes (pitches); Sulphur and Antimony; Pyrite, Orpiment and Dragon's Blood; The Genesis of Stones; The different sorts of Stones; Precious stones; Wether there be Precious Stones in this Realm; Other kinds of Stones; Some irregularities in Stones and the causes thereof; The Creation of Metals; A defense of the opinión of those who say that Sulphur and Mercury are components of Metals; The Effective Agencies in the Genesis of Metals; Several characteristics of Metals; The number of Metals, and the places where they are begotten; How to find Veins of Ore; How Ore Veins are sought; Different kinds of Veins and how to recognize them; Individual Metals, and Firstly, Gold; Silver and the Ores thereof; Silver minning Districts; Copper and the Ores thereof; Iron; Lead; Tin; Mercury; Alloys and artificial Metallic Compounds; The Colours of all Mineral General; The Properties or Virtues of Mineral Things
THE SECOND BOOK: AMALGAMATING GOLD AND SILVER ORES: The common method of treating the Ores of Silver by Ammalgamation; What the Metallurgist should be, and what he must know; The Recognition of Ores, and the different Kinds there are; The Sorting of Ores, and the proper Method of Treatment for each Class; Recognition and Removal of the Bad Substances in Ores; Grinding Ores; Roasting Ores; Bad effects wich result from Roasting Ores; Whether Ores should be Roasted in Chunks, or finely Ground; The Things one must Mix with Ores to Roast them; What the Ammalgamator should do before Mixing the Charge; Warnings in regard to Roasting; The Nature of Quicksilver; Floured Quicksilver, and the different kinds thereof; Whether all the Quicksilver and Ore should be charged together; working over the Charges; Mishaps wich may Occur in Amalgamation, and the Remedies therefor; How to determine when the charge is ready for the Clean-up; Loss of Quicksilver in the Clean-up; Remedies against the Loss of Quicksilver; Squeezing and Retorting the Amalgam
THE THIRD BOOK: TREATMENT OF THE ORES OF GOLD AND SILVER BY COOKING (PAN AMALGAMATION): How this method was discovered; Antipathies and Sympathies of Metals; How Water Takes unto itself the Qualities of the Substances that it Touches; The materials to be used in Making the Cauldrons for Pan Amalgamation; What Ores are best suited for Pan Amalgamation; How to erect the Cauldrons; Instructions for treating Ores by Pan Amalgamation; This is the true Way to Recover Gold and Silver from their Ores; How to determine when the Charge had Yielded up its Gold and Silver and how to charge should be cleaned up; Disadvantages of the process; Whether the method is Suitable for Large-Scale Work; The Comsumption of Fire-wood; Drawbacks and Remedies; Obtaining Amalgam from Cooper Ores; Boiling Amalgamation clean-up on Cold-amalgamated Charges; Amalgamating rich Ores of Gold and Silver
THE FOURTH BOOK: THE REDUCTION OF ALL CLASSES OF ORE BY SMELTING: The use and necessity of Smelting; Materials from wich Smelting Furnaces are made, and Certain Remarks thereon; Different kinds of Furnaces, and firstly, those used for Roasting finely ground Ores; Furnaces for, and Methods of, Roasting Lump Ores; Smelting Furnaces using Fire-wood as Fuel; Smelting Furnaces using Charcoal as Fuel; Parting and Refining Furnaces; Instruments that the Smeltmsn must have; Preparing Ores for Smelting; Collectors for Smelting Silver Ores; Aids to Smelting; Fire Assaying; Smelting in Reverberatories; Smelting on a Lead Bath; Smelting Galena Ores; Smelting in Shaft Furnaces; Smelting Iron Ore; Distilling Mercury
THE FIFTH BOOK: REFINING AND PARTING METALS: Making Cupelling Bottoms; How Gold and Silver Bullion is Refined; Refinning other Metals; How Silver is Parted from Cooper, and both are Saved; How Gold must be Parted from Cooper; The Nitric Acid used in parting Gold and Silver; How to Assay Silver to Determine if it Contains Gold; How Gold is Parted from Silver; How Gold and Silver may be Parted by means of Antimony and certain other Compounds; Parting Gold from Silver, or any other Metal, by what is called Cementation; The Acids that Dissove Gold.