324 



INDEX 



Coulomb's law, 174 



critical pressure, 233 



critical temperature, 221, 232 



critical volume, 232 



crystal structure, 319 



Curie, 92 



current, electrical, 192 



Dalton, 72, 74, 78, 79, 81, 82 



Dalton's laws, 79, 234 



Davy, 73 



day, solar, 34 



days of the week, 11 



deductive reasoning, 47 



degrees of freedom, 165 



Democritus, 70 



derived units, 119, 121 



diameter of molecule, 281 



diffraction grating, 319 



dissociation, electrolytic, 248 



dog, attitude toward fire, 1 



Doppler's principle, 65 



double weighing, 28 



Dulong and Petit's law, 296, 302 



dyne, 145 



e, 307 



e/m, 305 

 efficiency, 21 

 Einstein, 298 

 elasticity, 30 

 elastic limit, 31 

 electricity, 88, 94, 174 

 electricity, conduction of, 182, 184 

 electricity, positive and negative, 93 

 electricity, units of, 177, 178, 206, 277 

 electrification, 95, 173 

 electrochemical equivalent, 254 

 electrolytes, 183, 244, 253 

 electromagnetic mass, 212 

 electromagnetic units, 277 

 electromagnetic waves, 124 

 electromotive force, 208 

 electron, 88, 90, 97, 304 

 electronic oscillators, 297, 302 

 electrons, interactions of, 195 

 electrons, motions of, 173, 179 

 electron, theory, 34 

 elements, chemical, 72, 91 

 e.m.f., 208 

 energy, 8, 101, 114 

 energy in electrical currents, 199, 209 



energy, molecular, 161, 303 



engineer, 126 



England, 27 



entropy, 268 



equilibrium, 227, 229, 257, 259, 261 



equipartition of energy, 165, 271, 



294, 296 



equipotential surface, 107 

 erg, 144 



ether, 90, 191, 200 

 Euclid, 44 

 evaporation of solutions, 248 



faculty of accommodation, 266 



Fahrenheit, 168 



Fahrenheit scale, 113 



falling bodies, 46, 135 



Faraday, 208, 254 



Faraday's laws of electrolysis, 254 



feudalism, 22 



fire, 2, 3 



fire machine, 6 



fluxions, 32, 124 



foot, 25 



force, 139 



forced vibration, 298 



Franklin, 93, 94 



freezing point, 171, 239, 242 



French Revolution, 122 



frequency, 61 



friction, 17, 113 



full radiator, 299 



fundamental units, 123 



"g," 135, 147, 197 



Gaede molecular pump, 283 



Galileo, 32, 46, 54, 110, 135, 136, 166 



Galvani, 174 



gamma rays, 313 



gas constant, R, 218 



gas equation, 163 



gas pressures, low, 284, 287 



Gay-Lussac, 83 



Geissler tube, 189 



Gilbert, 54, 57 



Gizeh, 22 



gram-centimeter, 108, 145 ' 



gram-molecule, 85 



gravitational units, 143 



Greeks, 11, 85 



Gresham's law, 21 



Guldberg, 259 



gunpowder, 52 



