G
Gages, changes due to quenching, [162]
tempering, [161]
Gamma iron, [106]
Gas, carburizing by, [93]
consumption for carburizing, [101]
fired furnace, [190]
illuminating, for carburizing, [97]
Gear blanks, heat treatment of, [115]
forgings, rate of cooling for Liberty engine, [51]
hardening machine, [130]
steel, transmission, [59]
teeth, drawing ends of, [127]
Gears, Liberty engine, [50]
Gleason tempering machine, [129]
Grade of steel, [10]
Grain, refining, [91], [110]
size, [16]
Graphitic carbon, [ix]
Grinding high speed steel, [176]
H
Hair lines in forgings, [56]
Hardening, [111]
carbon steel for tools, [145]
cracks, preventing, [160]
dies, [146]
gears, [130]
high speed steel, [171]
high speed tools, [177]
of high-chromium steel, [37]
of rust-proof steel, [37]
room, modern, [146]
Hardness tests, [20]
Heating, effect of size, [119]
for forging, [64]
Heat, judging by color, [114]
treating departments, [122]
equipment, [121]
forgings, [44]
inspection of, [125]
Liberty motor, [44]
Heat treating, of axles, [61]
of chisels, [151]
of gears, [131]
of high speed steel, [170]
of steel, [105]
S. A. E., [134-137]
Heat treatment, [105]
Heroult furnace, [6]
High-chromium steel, [36]
annealing of, [36]
corrosion of, [38]
hardening of, [37]
Highly stressed parts of Liberty engine, [49]
High speed steel, analysis of, [166]
annealing, [75]
cutting off, [172]
forging, [65]
furnace, [187]
hardening, [171]
heat treatment of, [170]
instructions for, [175], [180]
manufacture, [166], [169]
pack hardening, [172]
structure of, [168]
Hints for steel users, [159]
I
Illuminating gas for carburizing, [97]
Impact test, [19]
Improper forging, [66]
Influence of size on heating, [119]
Inspection of heat treatment, [125]
Internal stresses, relieving, [154]
Introduction of carbon, [96]
J
Jewelers' tools, [146]
Judging heat of steel by color, [114]
L
Latent heat, [105]
Lathe and planer tools, [176]
tools, high speed, [173]
Latrobe temper list, [150]
Lead bath, [154]
pot furnace, [185]
Leeds & Northrup potentiometer [211]
optical pyrometer, [220]
Liberty engine, highly stressed parts of, [49]
Liberty engine materials, application to automotive industry, [46]
motor connecting rods, [42], [52]
motor, crankshaft, [54]
motor piston pin, [57]
Local case hardening, [94]
Luting mixture, [100]