INDEX 



809 



Liquids: absorption of gases by, 360 



combustion, heats of, 181 



compressibility, 282 



conductivity, thermal, 143 



contact difference of potential, 376 



cubical expansion, thermal, 153 



density, 295 



dielectric constant, 424, 425 

 pressure effect, 424 

 temperature coefficient, 426 



expansion, thermal, 153 



fuels, 181 



index of refraction, 530 



latent heat of evaporization, 166 



magnetic susceptibility, 462 



media for determining refractive indices 

 with microscope, 561 



melting temperatures, 118 

 vs. pressure, 118 



noninflammable, for cryostat, 183 



organic: spreading coefficient, 633 

 vapor pressure, 368 

 viscosity, 323 



potential difference vs. other materials, 

 376 



specific heat, 161 



surface tension, 361 



thermal conductivity, 143 



thermal expansion, 153 



vapor pressure, 371 



velocity of sound in, 307 



Verdet's constant, 505 



viscosity, 319-328 

 pressure effect, 333 

 Liter, 6, 47, 61 

 Liter-atm, 21 

 Lithium fluoride, index refraction, 515, 520, 



521 

 Logarithms, 28-31 

 Loschmidt number, 6, 49, 51, 54 

 Lubricants, 335 



for cutting tools, 335 

 Lumen, 93 

 Luminosity, 93 



factors, 87, 93 



field brightnesses, 88 

 Luminous efficiency, 93 

 Luminous flux, 93 

 Luminous intensity, 93 



spectral, 95 

 Lunar craters, 736 



inequalities, 730 

 Lunar node, 730 

 Lunar orbits, 735 

 Lunar parallax, 730 

 Lunar parigee, 730 

 Lunar solar precession, 730 

 Lux, 93 



M series (see also under X-rays), 696 

 Mach number, 337 

 Magnet, permanent, 454 

 Magnetic (see also Magnetism) — 



data, earth, 470, 502 

 sun, 502 



definitions, 451 



Magnetic — continued 



effects (galvanometrie) , 451 

 Ettinghausen, 451, 507 

 Hall, 451, 508 



temperature, 508 

 hysteresis, 451 

 Joule, 451 

 Laduc, 451, 507 

 Nernst, 451, 507 

 Villari, 451 

 Weidemann, 451 

 field strength (intensity), 12, 451 

 flux, 12, 451 



Maxwell, 18, 451 

 force, 12, 451 

 hysteresis, 451 



energy lost, 451, 460 

 Steinmetz constant, 460 

 induction, 12, 17, 451 

 intensity, 12, 18, 451 

 moment, 12, 451 

 permeability, 451 



and temperature, 457, 458 

 iron, 453 

 steel, 458, 459 

 pole strength, 12 



unit pole, 10, 451 

 poles, of earth (see also under Geomag- 

 netism), 470, 471 

 potential, 12 

 properties of materials: 

 alloys, 455 



alnico, 454, 455 

 comal, 455 

 Heusler, 458 

 nickel-iron, 457 

 nonmagnetic, 458 

 permalloy, 453 

 permanent magnet, 454 

 composition, 454 

 atomic susceptibility, 451 

 basic equations, 451 

 cobalt, 457 

 composition, 453 



correction to ring specimens, 464 

 demagnetization factor for rods, 467 

 dissipation of energy, 460 

 Steinmetz constant, 460 

 earth (see under Geomagnetism), 470, 



502 

 electrical sheets, 456 

 energy loss, 460 

 high permeability, 453 

 iron, 452, 457, 458, 464, 465 

 annealed, 452 

 cast, 464 

 composition, 465 

 intense field, 464 

 soft, 452, 458 

 temperature, 461 

 very pure, 452, 453 

 weak fields, 452 

 magnetite, 457 

 metals, 457 

 nickel-iron alloy, 457 

 temperature, 457 



