TABLE PAGE
I. The Production of Copper, 15
II. North American Production of Copper, 17
III. Influence of Impurities on the Electrical Conductivity
of Copper, 23
IV. Analysis of Various Commercial Coppers, 44
V. Development in Size of the Reverberatory Furnace, 89
VI. Daily Reports. Reverberatory Furnaces, 102
VII. Daily Assay Report. Reverberatory Furnaces, 103
VIII. Monthly Report. Reverberatory Furnaces, 104
IX. Effect on Coke Consumption of Increased Sulphur in
the Furnace Charge, 120
X. Blast-Furnace Charge Calculations, 151
XI. Typical Charging Tables at Pyritic Smelter, 187
XII. Changes in Composition during Bessemerising, 206