M
Machineability of steel, [72]
Machinery steel, annealing, [77]
Magnet test, [114]
Making steel in electric furnace, [6]
Manganese, [16], [33], [107]
steel, [29-30]
furnace, [198]
Manufacture of high speed steel, [169]
Marquardt mass tubes, [228]
Martensite, [111]
Medium carbon steel, effect of copper on, [35]
Metallography, [105]
Microphotographs, [109] e. s.
Microscopic examination, [158]
Milling cutters, high speed, [174]
Mixture for luting, [100]
Modern hardening room, [146]
Molten metal pyrometers, [226]
Molybdenum, [32]
Muffle furnace, [189]
N
Nickel, [24]
Nickel-chromium steel, [27-28]
steels, S. A. E., [40]
Nickel, influence of, on steel, [25]
steel, [24-26]
affinity for carbon, [125]
steels, S. A. E., [39]
Non-homogeneous melting, [24]
Non-shrinking steels, [35]
Normalizing, [114]
Oil bath for tempering, [157]
cooling on roof, [74]
fired furnace, [186]
hardening steel, forging, [66]
steels, [35]
temperature of quenching, [124]
Open hearth furnace, [3]
Operating costs of furnaces, [200]
Outer surface decarbonizer, [153]
Over-heated steel, restoring, [137]
Overheating, [65]
dies, [148]
P
Pack-hardening, [87]
high speed steel, [173]
Packing work for carburizing, [123]
Paste for hardening dies, [146]
Pearlite, [109], [112]
Penetration of carbon, [95]
carbon, chart of, [97]
in case hardening, [83]
Phosphorus, [15], [33]
Pickling Liberty motor forgings, [44]
Pig iron, [ix]
Piston pin, Liberty motor, [57]
Placing pyrometers, [210]
Planer tools, high speed, [173]
"Points" of carbon in steel, [9]
Potentiometer, Leeds & Northrup, [211]
Pots for carburizing, [123]
Press for testing gears, [126]
Preventing carburization, [93]
cracks in hardening, [160]
Properties of alloy steels, [34]
of alloy steels, table, [34]
of steel, [12]
Protective screens for furnaces, [192]
Puddled iron, [ix]
Punches and chisels, steels for, [151]
Pyrometers, [202]
calibration, [208]
copper ball, [202]
indicating, [219]
inspection, [208]
iron ball, [202]
molten metal, [226]
optical, [206], [220]
placing, [210]
recording, [216]
Siemens, [202]
testing, [209]
water, [203]
Q
Quality and structure of high speed steel, [168]
of steel, [149]
Quenching,
after carburizing, [86-88]
dies in tank, [147]
obsolete method, [148]
oil, temperature of, [124]
tank, [89]
tool steel, [156]