INDEX

Paris time, 233 parry, 419-22, 427 partition, 45 pasigraphy, 456-7 Pasteur, 128 Peano, 450, 456-9, 463, 472 Pender, 490 pendulum, 224 Perrier, 541 Perrin, 195 phosphorus, 333, 468, 470-1 physical continuum, 46 physics, 127, 140, 144, 279, 297 physics of central forces, 297 of the principles, 299 Pieri, 11, 203 Plato, 292 Poincaré, 473 point, 89, 244 Poncelet, 215 postulates, 382 potential energy, 116 praseodymium, 333 principle, 125, 299 Carnot's, 143, 151, 300, 303-5, 399 Clausius', 119, 123, 143