Effect of roasting—Various methods—Reverberatory furnaces—Howell, White, Brückner, Thwaite-Denny, and Molesworth types of revolving cylinder furnaces—Shaft type—The Stetefeldt furnace—Chimneys—Depositing chambers.
pp. 100-108
[CHAPTER IX]
[MOTOR POWER AND ITS TRANSMISSION]
Water and steam power—Waterless power plant described—Oil engines—Electric transmission—Advantages of electric power—Its possibilities.
pp. 109-112
[CHAPTER X]
[COMPANY FORMATION AND OPERATIONS]
Mining becoming a scientific business—Initial mistakes in public companies—Self-styled mining experts—How articles of association are compiled—How directors and officials are chosen—The usual consequences—Remedies—State inspectors—Certificates for mine managers—Directors—Specialists in various branches advisable—Qualifications of mine managers—Economic advantages of co-operation—Joint central extraction works—Folly of adopting untried new processes without full knowledge—Pertinent quotation—Warning to directors—Robbing mills—How prevented—Conclusion.
pp. 113-126