Logarithmic intervals in case of temper.. Page. .110, 207, 220, 224 153 capacity varies largely between blue annealed and soft. 124 126-128, 130-135 results of Ruths, Table 66 retentiveness and dimensions, Relation between. Magnetizability and dimensions, Relation between... and hardness, Relation between. Unique maximum of .... Magnetizing force, Intensity of.. Magnetism and carburation and density.... and dimension-ratio, Special discussion of.. 146 163 142, 198 139, 197 198 145, 198 107, 118, 153 112 144 142 .112, 136–139, 197 and hardness (earlier work), Digest of.. Magnets, How to temper and magnetize..... 111 and resistance, Simultaneous variations of. Mechanical constants of, Tables 49, 51...... Magnetization, Apparatus for measuring electrical effect of.. circular, Electrical effect of Classification-function based on intensity of. Pre-existing, effects of.. Resistance-effect of.. Thermo-electric effect of.. Unique maximum of.. Malleable cast-iron, Electrical behavior of.. Hardness of, without electrical effect Matthiessen on electrical behavior of alloys...... on general temperature-coefficients for metals.. Maxima of magnetization 126-128, 130-135 .136-138, 140-142 118, 119 159 105 .104, 108, 109, 197, 221 .5, 8, 145, 198 100-102 103 80, 81, 84 24 16 78,95 93 .20, 84, 85 140, 198 .155, 161, 164 151 125, 129, 152, 155, 160, 164 106 Maxima of thermo-electric power, etc.. of permanent hardness defined of permanent magnetism for 100°. (See Limits.) Moser and Riess, Magnetic researches of on magnets successively annealed.. on resistance-effect of temper, strains, etc Müller, Magnetic experiments of on resistance-effect of high temperature... Negative thermo-electrically defined Neutral point, thermo-electric defined.... Nomenclature referring to slow and rapid cooling Obach, Tables of, for Wheatstone's bridge..... magnetism, Maximum of, at 100°. (See Limits.) Percy-Wedding on decarburation.......... on iron-carburets.. on malleable cast-iron.. on silver-steel.. on temper..... Pictet on magnetism and carburation Phenomena of annealing, General laws of Plücker, magn tic experiments of Poggendorff's mirror galvanometer Poloni on magnetism and temperature Polycarburet, Karsten's theory regarding Paro 6 56 186, 187 7 104 111 114 . 139, 198 154, 159, 167 151 .70, 208, 220, 224 96 15 7 .111, 112, 203 90 6 40, 44 175 37 5 .8, 18, 19, 113, 139, 142, 203 152, 163 166, 169, 170 8,56 111 175 76 101 178 173 111, 112 55, 195 111, 203 120 151, 154 Positive thermo-electrically defined.. Pre-existing magnetization, Effect of, on magnetizability.. Quality of carburation, Meaning of Ratio of dimensions, General effect of.. Resistance a minimum after gentle ignition and magnetism, Simultaneous variations of.. and magnetization, Simultaneous variations of, Tables 68, 71, 72, 75 and temperature, Equation of, for steel, etc.. at points of contact, Importance of........... Relation of, to thermo-electric hardness, Table 34 (See Thermo-electric behavior and power.) Riess. (See Moser.) Righi on magnetism and hardness Magnetic experiments of, discussed. Sauerwald, Galvanometer made by Scheme for researches with steel, General Sections of wires how measured... Seebeck on thermo-electric scale Senguerd, Faucet devised by Sensitiveness of the electrical properties of iron-carbides Series of iron-carburets...... Siemens' mercury unit, Value of. Silver-steel, Character of. Soft iron, Electrical behavior of. Soft steel, Electrical behavior of. "Soft" state, Properties of... Softening, Method adopted for Specific magnetism defined Strain of drawn hardness, General character of. of temper, Electrical effect of, etc.... Magnetic effect of changes of .... .41, 63, 215, 216 .41, 43, 216 Steel annealed at t2°, then exposed to t° (successive annealing), Tables 29, 30.57, 58, 59 Thermo-electric behavior of, annealed in steam, Tables 9 to 15.. Thermo-electric behavior and resistance of: 43-46 annealed at 66°, Tables 16-18..... 47,48 annealed at 100°, Tables 19-21. annealed at 1850, Tables 22-24 49,50 51,52 Steel, thermo-electric behavior and resistance of-Continued. annealed at 330°, Table 25-27. annealed in oil, Tables 7, VII.. annealed soft, Table 31.... Thermo-electric hardness and resistance of, Table 34 Page. 53, 54 60 66 Thermo-electric power and resistance of, Table 8.... 43, 62 Thermo-electric power and temper of, mean results, Table 28 54 Sundell on electrical behavior of alloys Table 1, on the temperature-coefficient, resistance, density, and dimensions 2, on the temperature-coefficient, resistance, and temper (oxide-coats) 3, on the temperature-coefficient and resistance of steel rods, practical 4, on the temperature-coefficient and conductivity of iron........... 5, on the temperature-coefficient and resistance of iron, digest....... 7, on the thermo-electrics and resistance of steel annealed in oil.... 41, 42 43, 46 16, 17, 18, on the thermo-electric behavior and resistance of steel an- 47,48 19, 20, 21, on the thermo-electric behavior and resistance of steel an- 49,50 22, 23, 24, on the thermo-electric behavior and resistance of steel an- 51,52 25, 26, 27, on the thermo-electric behavior and resistance of steel an- 53, 54 28, on the thermo-electric power of steel annealed at 66°, 100°, 185°, 54 29, 30, on the electrical behavior of steel annealed at t2°, then exposed ..57, 58, 59 31, on the thermo-electric behavior and resistance of soft steel.. 8353 60 61 63 66 35, on the thermo-electric behavior of silver-platinum alloys.... 42, on the thermo-electric behavior of malleable cast-iron ............ Page Table 43, on the electrical resistance of malleable cast-iron ... 44, on the thermo-electric power and specific resistance of malleable 45, 46, on the thermo-electric effect of magnetization of iron............ 102 102 108, 109 125 126-128 129 130 53, dimensions, magnetic moment, specific magnetism, specific resist- 130-135 ... 136, 137, 138, 140 64, 65, oxide-color (temper), dimensions, permanent magnetizability of 142 66, Ruths's magnetic results.... 146 67, maxima of permanent magnetizability for 100°. 154 68, temper, resistance, magnetization, and magnetizability of steel in 155 69, 70, magnetizability of steel successively annealed at 100° 157 71, 72, temper, resistance, magnetization, and magnetizability of steel 161 73, 74, magnetizability and dimensions of steel rods thoroughly an- 163 75, simultaneous variations of magnetization and galvanic resistance 82, general electrical characteristics of the iron-carburets..... 185 I, thermo-electric hardness (T. E. H.) and temperature of ignition of 211 II, III, thermo-electric behavior (T. E. H.) of steel (older results)..... 212, 213 215 215, 216 IX, density and thermo-electric hardness (T. E. H.) of steel Tait on anomalous behavior of iron.. Thermo-electric investigations of Temperature of ignition, Effect of, on hardness.. for iron-carburets, Single series of.. |