LECTURE II. The Uses of Copper: as Metal and as Alloy — The Physical Properties of Copper — Effects of Impurities — Mechanical Properties — Chemical Properties, 18–34 LECTURE III. Compounds of Copper — Copper Mattes — The Varieties of Commercial Copper — Ores of Copper — Preliminary Treatment of Ores — Sampling, 35–50 LECTURE IV. Modern Copper Smelting Practice — Preliminary Treatment of Ores: Concentration, Briquetting, Sintering — The Principles of Copper Smelting — Roasting, 51–80 LECTURE V. Reverberatory Smelting Practice: — Functions of the Reverberatory Furnace — Requirements for Successful Working — Principles of Modern Reverberatory Practice — Operation of Modern Large Furnaces — Fuels for Reverberatory Work; Oil Fuel; Analysis of Costs — Condition of the Charge, 81–112 LECTURE VI. Blast-Furnace Practice: — Functions of the Furnace — Reduction Smelting — Oxidation in the Furnace — The Pyritic Principle — Features of Modern Working: Water-Jacketing, Increase in Furnace Size, External Settling — Constructional Details of the Furnace, 113–145 LECTURE VII. Modern Blast-Furnace Practice (_continued_): — Charge Calculations — Working — Disposal of Products — Pyritic Smelting — Sulphuric Acid Manufacture from Smelter Gases, 146–191 LECTURE VIII. The Bessemerising of Copper Mattes: — Development of the Process — The Converter — Converter Linings — Grade of Matte — Operation of the Process — Systems of Working, 192–216 LECTURE IX. The Purification and Refining of Crude Copper: — Preliminary Refining and Casting into Anodes — Electrolytic Refining — Bringing to Pitch, and Casting of Merchant Copper, 217–243 INDEX, 245–259 LIST OF ILLUSTRATIONS. FRONTISPIECE—The Colour of the Converter Flame during the Bessemerising of Copper Matte.