Larmor, 145, 150 Lavoisier's principle, 301, 310, 312 law, 207, 291, 395 Leibnitz, 32, 450, 471 Le Roy, 28, 321-6, 332, 335, 337, 347-8, 354, 468 Lesage, 517-21 Liard, 440 Lie, 62-3, 212 light sensations, 252 theory of, 351 velocity of, 232, 312 Lindemann, 508 line, 203, 243 linkages, 144 Lippmann, 196 Lobachevski, 29, 56, 60, 62, 83, 86, 203 Lobachevski's space, 239 local time, 306-7, 499 logic, 214, 435, 448, 460-2, 464 logistic, 457, 472-4 logisticians, 472 Lorentz, 147, 149, 196-7, 306, 308, 311, 315, 415-6, 492, 498-502, 504-9, 512, 514-6, 521 Lotze, 264 luck, 399 Lumen, 407-8 MacCullagh, 150
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