None
Resistance: sue oJso Conductivity. alloys, low temperature.... 364 alternating current, effect of., 269 electrolytic, see Conductivity, glass and porcelain 285 legal unit of.... magnetic field, of bismulii hi. metals in. nickel in.. metals at low temperatures. ohm, various determinations of specific metala 261 306 306 264 261 . 253 wires 262 temperature variation.. 262-266, 285 wire (copper) table, common units. 66 d:»!j-. j,. metric units.. 68 Rigidity, modulus of 74 „.., temperature variation '. '. 74 Rigidity, modulus of 74 „.., temperature variation '. '. 74 Rigidity, magneto-optic: formulae 297 Rods, demagnetizing factors for 289 Rotation of polarized light: by solutions... 197 Rotation, magneto-optic: formulae 297 gases 304 Kerr's constant., 305 liquids 299 solutions... 301-303 Verdet's constant 297-304 Rowland 3 standard wave-lengths 171 Salts, lowering of freezing-point by 217 raising '* boiling- " " 219 Saturation, magnetic, for steel 293 Scales, musical 103 Screens, color 198-196 Seconds pendulum 107 Secondary batteries 253 Sections of wires 59-66 Shearing tests of timber 72-73 Sheet metal, weights of 70 Silver, electro-chemical equivalent... 251, 270 Silvine, indices of refraction 183 Sines, natural and logarithmic, circular., 30-38 hyperbolic. 39-40 Sky-light, comparison with sunlight 179 Soaring of planes, data for 123 Solar constant of radiation 179 energy, data of 179 wave-lengths, Rowland's Solutions: compressibility 76, 83 densities 85-89 dielectric constant 283 electrical resistance 261-269 hardness 76 indices of refraction 183-187 magneto-optic rotation by 298 thermal conductivity 199 expansion 222-224 Solutions: boiling-point, raising by salts in 219 boiling-points of aqueous 219 conductivity, thermal 200 electrolytic 272-278 densities of aqueous 92-93 diffusion of aqueous 136 freezing-points, lowering by salt 217 of aqueous 217 indices of refraction 188 magneto-optic rotation of 301-303 potential (contact) differences 254-257 specific heats 230-231 surface tensions 142 viscosities 129-133 Sound, velocity of, in solids 101 liquids and gases 102 Sparking potentials 248-250 Specific gravity, see Density. Heat of air 232 elements 228 gases 232 iron at high temperatures.. 308 liquids 230 mercury 229 minerals and rocks 23 x solids 23a vapors 232 water 229 "Specific heat of electricity" 258 Specific toductive capacity: gases... 279-280 liquids... 280-282 solids 283 Specific molecular conductivities.... 373-274 Specific resistance 262-263 viscosity: gases and vapors... 134-135 liquids and oils... 126-128 solutions 129-133 spectra: elements, brighter lines 170 iron, Fabry-Buisson 170 Kayser 174 solar, Fraunhofer lines 176 Rowland's measures.... 171 Squares, least, tables 47-49 Standard cells 251-253 wave-lengths: Fabry-Buisson... 170 Kayser 174 o» J.,.. Rowland 171 standards, photometric 177 Steam tables: metric units 241 common " 242 .Steel: magnetic properties: hysteresis 291, 294-296 permeabilities 286-294 atmospheric-Boltzmann radiation formula.... 235 Stone: strength of 71 thermal conductivity 199 Storage batteries 253 Strength of materials: bricks 71 concrete 71 metals 71 stones 71 timber, woods... 72-73 Sun: constant of radiation 179 disk; distribution of intensity.... 179 light; ratio to sky-light 179 Parallax 109 radiation 179 spectrum 171, 179 temperature 179 Surface tension 142-143 Susceptibility, magnetic, liquids and gases 305 Sylvine, refractive indices 183 Taylor's series X3 Temperature, critical, for gases 321 resistances for low 264 sun's 179 Tensile strengths 71-73 Tension, surface 142-143 vapor, see 'Vapor pressure. Terrestrial magnetism: agonic line 115 declination, secular change no dip 112 secular change... 112 horizontal intensity... 113 secular change 113 inclination 1x2 secular change 112 total intensity X14 secular change 114 Thermal conductivities: gases 200 liquids 200 salt solutions.... 200 solids X99 water 200 Thermal expansion: cubical: crystals... 224 gases.... 226 liquids.... 325 solids.... 224 linear: elements.... 222 various.... 223 Thermal unit, dynamical equivalent... 227 Thermo-electricity 258-260 Peltier effect.... 258, 260 Thermo-magnetic effects 307 Thermometer: air-16, 0" to 300° C 234 59, 100° to 200" C... 234 high-temperature-89... 235 hydrogen-16, 0° to 100" C... 233 16, 59, -5° to -35° C. 233 59, 0° to 100° C...333 various 335 Thermometer stem correction 236-237 Thomson thermo-electric effect 258 Timber, strength of 72-73 Time, sidereal, solar 108 Transformer-iron, permeability of... 286-287 steels, energy losses in... 294, 296 X79 194 193 30 35 United States weights and measures, conversion to metric units S-O Transmissibility to Radiation: atmospheric crystals.. Trigonometric functions: arguments {') • • (radians) 3i8 INDEX. Units of measurement: definitions, see Appendix. conversion factors.... 3-3 discussion, see Introduction. Photometric X77 Ratio of electro-magnetic to static. 247 V, ratio of electro-magnetic to static. 247 V, ratio of electro-magnetic to static. 247 Vapor, aqueous; vapor pressure, low temp. 151 O°-ioo° C.,153 pressure of, in atmospliere. 181 relative humidity 158 (saturated) weight of 154 Vaporization, latent heat of 206 for steam. 241, 242 Vapors: densities 91 diffusion of 137 138 indices of refraction 190 pressures: alcohol, ethyl, methyl. 146 Queous: low temp. 151 O°-ioo" C., 152 mercury 148 Bait solutions 149 various 144-148 specific heats 232 viscosity, specific 134 Velocity of light 109 sound; in gases and liquids. 102 solids 101 Verdet's constants: Verdet and Kundt's. 304 gases 304, 305 liquids 299. 305 solids 298 solutions, alcoholic 303 aqueous 301 hydrochloric. 303 Viscosity: alcohol in water 126 gases 135 liquids X27 vapors 135 water: temperature variation 125 specific: gases 134 oils 126 solutions 129-133 vapors 134 water: temperature variation 125 specific: gases 134 oils 126 solutions 129-133 vapors 134 water: temperature variation 125 Voltaic cells: composition, E. M. F. 352-253 double-fluid 253 secondary 253 single-fluid 252 standard 251, 253 storage 253 Volts, legal (international) law, 251 Volumes: critical, for gases 33 x Volumes: gases, perfect 163 glass vessels, determinations of. 11 Water: boiling-points for various pressures: common measures 168 metric measures. 169 densities, temperature variation. 95i 96 ionization of 278 solutions in: boiling-points... 219 densities 92 diffusion 136 electrolytic conduction 372-278 solutions of alcohol, densities. 98-100 thermal conductivity 200 vapor pressure: low temperatures. 151 to 100° C.... 152 too" to 230° C. 153 vapor, pressure of, in atmosphere. 155 (saturated) weights of... 154 viscosity: absolute, temp. var. 125 specific, temp, var 125 Wave-lengths: cadmium red line 170 elements, brighter lines. 170 Fabry-Buisson iron arc lines.  to British. 7-8 metric to U. S. 6 U. S. to metric... 5 Weights of bodies 58 Weights of sheet metal 70 wire: copper, iron, brass: common units 60 metric units. 62 Aluminum, common and metric. 64 copper wire, electrical constants common units 66 metric units. 68 Wind pressures 122 Wire gauges: Birmingham < 59 British standard 59 Brown and Sharp 66 Wire, weights of: brass, copper, iron. 