INDEX 



terminus of the path, 371 



ternary mixtures, 82 



tervalent ions, 246 



test for ductility, 145 



testing temperature, 38 



tetradecane, 97, 282, 283 



thermal accommodation coefficient of 

 hydrogen, 63 



thermal agitation, 42, 73, 95, 223, 261, 

 267, 269, 276, 281, 283, 298, 313 



thermal energy of agitation, 387 



thermal equilibrium, 47, 71, 163, 207, 

 301, 318 



thermionic effects, 350 



thermodynamics, 114, 122, 129 



thermodynamic equilibrium, 345 



thermodynamic laws, 104 



third law of thermodynamics, 71, 114, 

 129 



Th02, 38, 121, 142 



Thomson, Elihu Professor, 126, 296 



Thomson, J. J., 388 



Thomson, J. J.— Conduction of Elec- 

 tricity through gases, 101 



thoria, 38 



thoriated, 54 



thoriated filament, 54 



Thorium, 38, 54, 60, 232 



thorium atom, 38 



thorium oxide, 121, 142 



3-dimens'onaI molecular velocity, 380 



time of relaxation, 316, 317, 318, 319 



Timiriazeff, Ann Phys., 299 



tingstic oxide, 38 



Tonks Dr., 328, 



Tonks L. Phys. Rev., 325 



total energy, 282 



total surface energy, 39, 269 



track of the alpha particle, 5 



Traube, J., 45 



Trans. Amer. Electrochem. Soc, 112, 

 113, 124, 126, 132, 146 



Trans. Amer. Inst. Elect. Eng., 296 



Trans. Chem. Soc., 247 



Trans. Faraday Soc, 140 



transfer of electrons, 390 



transient curves, 367 



transition curve, 368, 369 



transition from gas to liquid, 60 



transient effects, 366 



transient experiments, 370 



trichloroacetic, 230 



triclinic pinacoid, 250 



trigonal, 252 



trigonal crystals, 249 



trigonal form of sodium chlorate, 253 



trigonal scalenohedral, 247, 249 



trinitrides, 243 



trinitride ions, 243 



triple bond structure, 399 



Trouton's Rule, 40, 48, 54, 315 



Truman, President, 24 



tungsten, 35, 37, 38, 53, 54, 55, 56, 

 57, 58, 61, 62, 63, 64, 65, 102, 105, 

 112, 123, 130, 133, 138, 140, 141, 

 144, 148, 149, 150, 151, 152, 158, 

 160, 161, 162, 193, 197, 198, 201, 

 204, 205, 208, 215, 216, 232, 233. 

 236, 264, 297, 298, 301, 305, 317, 

 322, 323, 324, 335, 340, 342, 345, 

 346, 350, 353, 356, 357, 358, 372, 

 375, 378, 381, 385, 387 



tugsten atoms, 36, 38, 106, 305, 372, 

 380 



tungsten crystals, 38 



tugsten electrodes, 117, 120 



tungsten filament, 33, 34, 35, 36, 37, 

 53, 54, 55, 58, 59, 60, 62, 63, 102, 

 104, 106, 108, 117, 124, 127, 131, 

 132, 150, 296, 301, 304, 305, 322, 

 327, 335, 349, 352, 366 



tungsten filament lamp, 33 



tungsten lattice, 325 



tungsten tip, 139 



tungsten wire, 101, 104, 106, 112, 116, 

 117 



tungstic oxide, 103, 150 



types of adsorption, 60 



types of valence, 388 



two-dimensional piston, 281 



two 'filament method, 55, 331, 332, 

 338, 364, 365, 378 



434 



