CHAPTER I

            METALS AND ALLOYS—HEAT TREATMENT:—The Use and Characteristics of the
 Industrial Alloys and Metal Elements—Annealing, Hardening, Tempering and
 Case Hardening of Steel

  CHAPTER II

            WELDING MATERIALS:—Production, Handling and Use of the Gases, Oxygen and
 Acetylene—Welding Rods—Fluxes—Supplies and Fixtures

  CHAPTER III

            ACETYLENE GENERATORS:—Generator Requirements and Types—Construction—Care and Operation of Generators.

  CHAPTER IV

            WELDING INSTRUMENTS:—Tank and Regulating Valves and Gauges—High, Low and
 Medium Pressure Torches—Cutting Torches—Acetylene-Air Torches

  CHAPTER V

            OXY-ACETYLENE WELDING PRACTICE:—Preparation of Work—Torch Practice—
 Control of the Flame—Welding Various Metals and Alloys—Tables of
 Information Required in Welding Operations

  CHAPTER VI

            ELECTRIC WELDING:—Resistance Method—Butt, Spot and Lap Welding—Troubles and Remedies—Electric Arc Welding

  CHAPTER VII

            HAND FORGING AND WELDING:—Blacksmithing, Forging and Bending—Forge
 Welding Methods

  CHAPTER VIII

            SOLDERING, BRAZING AND THERMIT WELDING:—Soldering Materials and Practice—
 Brazing—Thermit Welding

  CHAPTER IX

 OXYGEN PROCESS FOR REMOVAL OF CARBON

 INDEX