326 



INDEX 



null method, 29 

 numeric, 119 



objective reality, 60 

 Oersted, 205 

 Ohm's law, 194 

 opposition method, 29 

 oscillators, 296 

 osmotic pressure, 237, 271 



TT, 44 



pace, 25 



paramagnetic, 204 



partial pressure, 235 



Pascal, 54, 56 



Pascal's law, 58 



pellate, 146 



pendulum, 32 



perfect gas, 220, 222 



period, 33 



periodic series, 91, 99 



perpetual motion, 152 



Perrin, 271, 276 



Petit, 297 



phlogiston, 75, 77 



photoelectric, 315 



physics, classification, 60 



physical chemistry, 177 



pile, Volta's, 175 



Pisa, 32, 135 



pitch, 61, 63 



Planck's constant, 297, 315, 316 



Pliny, 49 



polonium, 92, 313 



pontifex, 49 



power, 145 



powers of ten, 71 



potential, 102, 106 



practice, 45 



pressure coefficient of gas, 170 



pressure of gas, 156 



pressure of dissolved gas, 235 



pressure gauge, 287 



pressure head, 136 



Priestley, 74, 76 



probability, 159 



prototype, 27 



Ptolemy, 50 



pulley, 19 



pulse, 62 



pyramids, 21 



Pythagoras, 28 



quantum, 295, 316 



R, gas constant, 218 



radial energy, 196 



radiant matter, 189 



radiation, 191 



radioactive, 92, 313 



radium, 97 



rarefaction, pulse of, 62 



rates, 128 



Raleigh, 270 



realities of science, 60 



recombinations in electrolysis, 250 



reflection, 301 



relative motion, 64 



Renaissance, 51 



research physicist, 126 



residual rays, 300 



resonance, 300 



Roman Empire, 48 



Romans, 22 



Rontgen, 93, 190 



roots of cubic, 223 



Rutherford, 321 



salt, 256 



Samothrace, 40 



saturated vapor, 229 



scaffolding, 21 



scattering of alpha rays, 320 



Scheele, 74, 76 



screw, 19 



second, 34 



self-induction, coefficient of, 214 



sexagesimal system, 12 



shekel, 12 



Skeptical Chemist, 74 



slavery, 22 



slope, 130 



solenoid, 202 



solute, 234 



solvent, 234 



sound, 60, 61 



span, 25 



spectral lines, 319 



spectrum, continuous, 186 



speed, 128, 129, 134 



statistical method, 159 



stone, 27 



strain, 30 



stress, 30 



Stokes's law, 273, 312 



