INDEX. Electrical behavior of, explains certain phenomena in steel how prepared (fused, drawn)........... Literature of electrical behavior of. of German silver, Temperature-coefficient and resistance of.... of silver, Temperature-coefficient and resistance of...... Ammann. (See Kohlrausch.) Annealed rods influenced by lower temperature... influenced by higher temperature.. Magnetic effect of successive... Mechanical effect of successive.. Method of, in magnetic work.. Relation of, to viscous phenomena Slow and instantaneous, compared. Anomalies in iron and in steel at red heat Electrical, due to structure in hard steel. Apparatus for hardening steel wire .... Auerbach, Resistance-effect of magnetization found by. Temperature coefficient for iron found by.. Carbon, combined and uncombined, Electrical effect of.... Electrically active or neutral. Carburation, Effect of...... Magnetic effect of. Quality of...... Caron on cause of hardness in steel on composition of iron-carburets Cast-iron, Digest of electrical behavior of Electrical behavior of malleable... Electrical resistance of...................... Peculiarities of electrical behavior of 145 208 38 72 186 79, 196 79 77,79 101, 102 182 94, 196 Mechanical (dimensions, mass, density of magnets), Tables 49, 51.. 125, 129, 152, 155, 160, 164 Page. Contact, Electrical.... Cotemporaneous magnetic and resistance effects.. Coulomb, Magnetic experiments of Criterion, Empirical, for steel..... Critical operations, slow and rapid cooling. operations, Nomenclature for Cumming on phenomenon of sudden expansion in iron.. Cylinder, Thermo-currents evolved in.. Decarburation, Effect of............ Definition of steel.... Density and electrical variations in alloys. and diameter of steel rods ..... and dimensions of magnets, Tables 49, 51 hardness, magnetization of steel, Tables 50, 53 with magnetic loss (per cents.) due to annealing Direct and indirect magnetic effect of temperature.. Dufour, Magnetic experiments of Durassier. (See Trève.) Edelmann, Bifilar magnetometer of...... Eibiswalder Wolfram-stahl, Magnet made of.......... Electrical conductivity, Measurement of resistance. (See Resistance.) contact, Degree of excellence of. .162, 164, 199 203 177 174 175 99, 197 220 175 .188-192, 201 87,19€ 150 125, 129 139, 144 19, 222 89,92 202 149 .77, 125, 129 25 89 37 150, 217-219 197, 198 14 113 217, 219 112, 144 .126-128, 130-135 163 165 93, 196 145 158 167 172 36, 213 37 appears suddenly ... chemically interpreted. General character of...... intensified by Cumming's phenomenon. Gordon on unique maximum of magnetizability... and magnetic constants of steel and magnetism, earlier results digested Page 219 172 217 .90, 93, 97 .111, 146, 147, 203 119 153 74 72 33, 34 111, 151, 203 219 94 29, 204 98 38 99 99 145 99, 197 .111, 147, 148, 203 145 203 .150, 217-219 126-128, 130-135 111 .62-68, 207, 223 and resistance.. and thermo-electric behavior 62-68, 205, 217 Holz, Magnetic experiments of Method of magnetization of.... Holtzmann. (See Matthiessen.) Homogeneity (longitudinal), Magnetic importance of... Hot oil-bath, Use of, in annealing of magnetic curves... Iron, Electrical characteristics of..... General electrical constants of, Table 76 Thermo-electric behavior and resistance of, Table 32 Jarolimek, on methods of obtaining great hardness. Jeans on criterion for steel ... on critical temperature in cementation. Jenkin on currents due to loose contacts.. on thermo-electric series..... Joule on deformations accompanying magnetization... on electrical behavior of alloys. on electrical behavior of cast-iron Density of steel given by Distinction of, between white and gray cast-iron ́. Hardness of steel explained by. Polycarburet theory of Kerl on causes of hardness in steel.. King, Clarence, aided research Kirchhoff's form of Wheatstone's bridge.. Kohlrausch, Form of bridge devised by Magnetic work proposed by. Magnetometer devised by Thermo-electric investigations of Value of the unique magnetic maximum found by. Valuable assistance given by .... Kohlrausch u. Ammann, Zero method used by Lamont, Magnetic experiments of....... Limits of magnetic state for 100°, Tables 67-74 List of illustrations Page. 205 119 117 .38, 122, 125, 129, 130 .40, 215 .39, 194, 211, 219 93, 196 191 61, 188 66, 150 115, 116, 139 186 177 .99, 177, 188, 221 .15, 20, 21 61 184, 200 .188, 191, 200, 201 31 39 112 177 99 77 219 7 104 80 ..103, 178, 186, 221 176 89 177 77 76, 77 89, 173 98 89 5 36, 37 .26, 121, 122, 130 203 120 206, 221 145 .7, 210, 226 208 .151, 154, 203 .153, 154, 157, 161, 163 12 187 Logarithmic interval, Importance of, in classifying iron-carburets... |