rate of, for gear-forgings Copper, effect of, in medium carbon steel Copper-plating to prevent carburizing Corrosion of high-chromium steel of rust-proof steel Corundite tubes Cost of operating furnaces Cracks in hardening, preventing Crankshaft, Liberty motor Critical point Crucible or tool steel Cutting off high speed steel Cyanide bath for tool steel D Decarbonizing of outer surface preventing Depth of case Detrimental elements in steel Dies, drop forging quenching soft spots in tempering round Drawing ends of gear teeth Drop forging dies Ductility E Effect of alloys of different carburizing material of size of piece of copper in medium carbon steel Elastic limit Electric process of steel making Electrode Elements, chemical Elongation Endurance limit Energizer, 81 Enlarging steel Equipment for heat treating Eutectoid F Fahrenheit temperature table Fatigue test Ferrite File test Flame shields Flange shields for furnaces Forging furnace high speed tools improper of steel practice, heavy rifle barrels Forgings, carbon steel Liberty engine Formed tools, high speed Fractures, examining by Furnace, continuous heating crucible data electric Heroult open hearth records Furnaces annealing broach hardening car door type center column cost of operating data on forging, heavy fuels for gas fired high speed steel lead pot manganese steel muffle oil fired operating costs screens for tool Furnaces, water cooled fronts Fuels, comparison of for furnaces G Gages, changes due to quenching tempering Gamma iron Gas, carburizing by consumption for carburizing fired furnace illuminating, for carburizing Gear blanks, heat treatment of forgings, rate of cooling for Liberty engine hardening machine steel, transmission teeth, drawing ends of Gears, Liberty engine Gleason tempering machine Grade of steel Grain, refining size Graphitic carbon Grinding high speed steel H Hair lines in forgings Hardening carbon steel for tools cracks, preventing dies gears high speed steel high speed tools of high-chromium steel of rust-proof steel room, modern Hardness tests Heating, effect of size for forging Heat, judging by color treating departments equipment forgings inspection of Liberty motor Heat treating, of axles of chisels of gears of high speed steel of steel S. A. E. Heat treatment Heroult furnace High-chromium steel annealing of corrosion of hardening of Highly stressed parts of Liberty engine High speed steel, analysis of annealing cutting off forging furnace hardening heat treatment of instructions for manufacture pack hardening structure of Hints for steel users I Illuminating gas for carburizing Impact test Improper forging Influence of size on heating Inspection of heat treatment Internal stresses, relieving Introduction of carbon J Jewelers' tools Judging heat of steel by color L