3i6 



INDEX. 



Liquids : fuels, heat of combustion 202 



magnetic susceptibility 30S 



magneto-optic rotation 304 



potential differences with liquids . . 254 

 metals . . 257 

 salts . . . 254 



specific heats 230 



surface tensions 142-143 



thermal conductivity 200 



expansion 225 



vapor pressures 144-153 



velocity of sound 102 



viscosity 127-128 



Logarithms 24 



1000-2000 22 



anti- 26 



.9000-1.0000 28 



Lowering of freezing-points by salts 217 



Maclaurin's theorem 12 



Magnetic field: bismuth, resistance in ... . 306 

 Ettingshausen effect .... 307 

 galvanomagnetic effects . . . 307 



Hall effect 307 



Leduc effect 307 



Nemst effect 307 



nickel, resistance in .... 306 



optical rotation .... 297-304 



resistance of metals in ... 306 



thermo-magnetic effects . . . 307 



Magnetic properties: of cobalt at 100° C . . . 293 



iron: hysteresis . 294-296 



permeability 



286-288. 292-293 

 saturated . . . 293 

 weak fields . . 294 



magnetite 293 



nickel at 100° C . . . 293 

 Magnetic susceptibility, liquids, gases .... 30s 

 Magnetic units, conversion formulae .... 3 



Magnetism, terrestrial: agonic line lis 



declination no 



dip 112 



horizontal intensity . .113 



inclination 112 



intensity, horizontal . .113 

 total . . . .114 



Magneto-optic rotation 297-304 



Masses of the earth and planets 109 



alloys 89 



elements, liquid and solid 85 



■ sohds 88 



woods 87 



Materials, strength of: bricks 71 



concrete 71 



metals 71 



stones 71 



timber 72-73 



woods 72-73 



Mechanical equivalent of heat 227 



Melting-points: chemical elements 209 



inorganic compounds . . . .211 



mixtures (alloys) 214 



(low melting-points) . 214 

 organic compounds . . . .215 



Mercury: density of 97 



electric resistance of ... . 262-263 



pressure of columns of 116 



specific heat 229 



vapor pressure 148 



Metals: diffusion of , into metals 138 



indices of refraction 182 



potential differences with solids . . . 256 

 solutions . . 257 



reflection of light by 192 



refractive indices 182 



resistance, electrical 262-263 



specific 263 



sheet, weight of 70 



Metallic oxides, refractive indices 182 



Methyl alcohol, density of aqueous 98 



Metric weights and measures: British equiv . 7-10 

 U. S. equivalents 5-6 



Minerals, specific heats of 231 



Mixtures, freezing 220 



Moduli of elasticity: rigidity 74 



Young's 75 



Molecular conductivities: equivalent . . 275-278 

 specific . . . 271-274 



Moments of inertia 58 



Musical scales 103 



Mutual inductance, table for computing ... 56 



Nemst thermo-magnetic difference of potential . 307 

 Neutral points, thermo-electric .... 258-259 



Newton's rings and scale of colors 198 



Nickel: Kerr's constants for 305 



magnetic properties of, at 100° C . . . 293 



resistance in magnetic field .... 306 



Nitroso-dimethyl-aniline, refractive index • . 184 



Ohm, various determinations of 261 



legal value 261 



Oils, viscosity of 126 



Orgcmic compounds, boiling-po'nts 215 



densities 2 is 



melting-points . . . .211 



Parallax: solar; lunar 109 



Peltier effect 258, 260 



Pendulum, length of seconds 107 



Perfect gas, expansion of 162 



volume of 162 



Permeabilities, magnetic . . . 286-288, 292-293 



Photometric standards 177 



Pi, 77, value of 12 



Planck's radiation formula 238 



Plane, data for the soaring of a 123 



Planets, miscellaneous data 109 



Poisson's ratio 76 



Polarized light: by reflection 191 



rotation by magnetic field 297-304 



solutions .... 197 



Potential difference: cells: double fluid .... 253 



secondary .... 253 



single fluid .... 252 



standard . . .251, 253 



storage 253 



contact: liquid-liquid . . 254 



liquid-salt . . . 254 



metal-liquid . . 257 



solid-solid . . . 256 



sparking: air . . . 248-249 



kerosene . . . 250 



various . . . 250 



thermoelectric . . . 258-259 



Precession 109 



Pressure: barometric measures .... 117-121 

 barometric and boiling water . . 168-169 



heights 167 



mercury columns, due to 116 



water columns, " " 116 



wind 122 



Pressure, vapor: alcohol, ethyl and methyl . . 146 



aqueous: low temperature . . 151 



0° to 100° C . . . 152 



100° to 230° C . . 153 



in atmosphere . .155 



mercury 148 



salt solutions 149 



various 144-148 



Probability tables 47-48 



Purkinje's phenomenon 178 



Quartz fibres, strength of 71 



refractive index of 185 



Radiation: black-body 238 



constants of 238 



cooling by, and convection . . 239-240 



eye, sensitiveness of, to 178 



Planck's formula 238 



sensitiveness of the eye to ... . 178 



"solar constant " of 179 



Stefan's formula 238 



transmissibility of atmosphere to . 179 



Radii of gyration 58 



Refraction, indices of : alums 181 



crystals 187 



fluorite 184 



gases and vapors . . .190 



glass 180 



Iceland spar 184 



liquids 189 



metals, metallic oxides . 182 



monorefringent solids . 186 



nitroso-dimethyl-aniline . 184 



quartz 1 85 



rock-salt 183 



salt solutions . . . .188 



silvine 183 



solids, isotropic . . . 186 



Reflection of light: by metals 192 



terms of "n" and "«" . 191 



Relative humidity IS8 



