INDEX. 



315 



Formulm, conversion: heat 3 



magnetic 3 



see Introduction. 



Fraunhofer lines, wave-lengths of 176 



Freezing mixtures 220 



Freezing-points, lowering of, by salts in solution 217 



Friction, coefficients of 124 



Fuels, heats of combustion of 202 



Functions: circular arguments (° ') . . ... . 30 



(radians) . ' . . 35 



exponential 39-47 



gamma 52, 38 



hyperbolic 39-42 



Fundamental units 2 



Fusion, latent heat of 208 



Gcdvanometric effects of magnetic field . , . 307 



Gamma function 52, 38 



Gases: absorption of, by liquids .... 140, 141 



atomic weights 270 



compressibility of 7 9-81 



conductivity, thermal 200 



critical data for 221 



densities 91 



dielectric constants 279, 280 



diffusion 138 



expansion of perfect 162 



expansion, thermal 226 



heat, conductivity for 200 



indices of refraction 190 



magnetic susceptibility 305 



magneto-optic rotation 304 



refractive indices of 190 



sound, velocity of, in 102 



solubility of 140, 141 



specific heats ?32 



thermal conductivity 200 



thermal expansion 226 



viscosity of 134 



volume of perfect (1+0.003760 . . 162-165 



Gas thermometry 233-235 



Gauges, wire: Birmingham 59 



British standard 59 



Brown and Sharp 66 



Geodetic data 108 



Geometric units, conversion factors for ... 2 



Glass: indices of refraction 180 



transraissibility of Jena 193 



various . . . 195-196 

 electric resistance, temp, variation . . 285 



Glass vessels, volumes of 11 



Gravity, force of 104-106 



correction to barometer 118 



Gyration, radii of 58 



Hall effect 307 



Hardness 76 



Harmonics, zonal 54 



Heat: combination, heat of 204 



combustion: coals 202 



explosives 203 



fuels liquid 202 



peats 202 



conductivity for: gases 200 



liquids 200 



salt solutions .... 200 



solids 199 



water 200 



latent heat of fusion 208 



vaporization. . . . 206, 241 



mechanical equivalent of 227 



specific: elements 228 



gases 232 



liquids 230 



mercury 229 



minerals 231 



rocks 231 



solids 230 



vapors 232 



water 229 



" Heat, specific," of electricity 258 



Hefner photometric unit I77 



Heights determinations of by barometer . . . 167 



Horizontal intensity of earth's field . . . .114 



secular change 114 



Humidity, relative 158 



Humidity term, o.378e 1S9 



Hydrogen thermometer 233 



Hyperbolic cosines, natural 41 



logarithmic ..... 42 



Hyperbolic sines, natural 39 



logarithmic 40 



Hysteresis: soft iron cable transformer .... 294 



wire 294 



steel, transformer 296 



various substances 295 



Iceland spar, refractive index of 184 



Inclination (dip) of magnetic needle , . . .112 



secular change of 112 



Index of refraction: alums 181 



crystals 187 



fiuorite 184 



gases and vapors .... 190 



glass 180 



Iceland spar 184 



liquids 189 



metals, metallic oxides . . 182 

 monorefringent solids . . 186 

 nitroso-dimethyl-aniline . 184 



quartz 185 



rocli-salt 183 



salt solutions 188 



silvine 186 



solids, isotropic . . . .186 



Inductance, table for computing mutual . . . s6 



Inductive capacity, specific: calibration st'ds . 283 



gases, atm. pressure 279 



pressure coef. 279 



temp. coef. . 280 



liquids 280 



temp. coef. . 282 



solids 283 



Inertia, table of moments of 58 



Inorganic compounds: boiling-points .... 213 

 melting-points . . .211 



Integral, diffusion so 



elliptic 57 



gamma function 52 



probability 45, 47-48 



Integrals, elementary 12 



Intensity, horizontal, of earth's field .... 113 

 secular variation 113 



total, of earth's field 114 



secular variation 114 



Ionization of water 278 



Ions: equivalent conductivity of 278 



Iron: hysteresis in soft 294 



magnetic properties of, weak fields . . . 294 

 saturated . . . 293 



permeabilities 286-292 



specific heat at high temperatures . . . 308 



standard arc lines, Fabry-Buisson . . . 170 



Kayser 174 



Joule's (mechanical) equivalent of heat . . . 227 



Kayser's standard iron arc spectrum .... 174 



Kerosene, dielectric strength 250 



Kerr's constant 30S 



Kundt's constant 304 



definition of 304 



Latent heat of fusion 208 



vaporization 206, 241 



Latitude correction to barometer .... 119-120 



Least squares 47-49 



Legal electrical units xxxiv 



Leduc thermomagnetic effect 307 



Light: indices of refraction 181-190 



reflection of; function of "n" . . . . 191 



metals 192 



sensitiveness of eye to 178 



transmissibility to, of substances . 193-196 



polarized: rotation of plane by solutions 197 



rotation, magneto . . . 297-304 



wave-lengths: cadmium st'd line . . . 170 



elements, brighter lines . 170 



Fraunhofer, lines . . . 176 



st'd iron arc, Fabry . .170 



Kayser . . 174 



solar, Rowland . .171 



velocity of 109 



Linear thermsd expansion coef. of elements , . 22a 

 various . . . 223 



Liquids: absorption of gases by 141 



capillarity of 142-143 



compressibility of 82-83 



conductivity, thermal 200 



densities 85, 90, 95-96 



dielectric constants 280-282 



dielectric strength 2S0 



diffusion, aqueous solutions .... 136 

 expeinsion, thermal 225 



