INDEX

projective, 201 qualitative, 238 rational, 5, 467 Riemann's, 57 spheric, 59 Gibbs, 304 Goldstein, 492 Gouy, 152, 305, 410 gravitation, 512 Greeks, 93, 368 Hadamard, 459 Halsted, 3, 203, 464, 467 Hamilton, 115 helium, 294 Helmholtz, 56, 115, 118, 141, 190, 196 Hercules, 449 Hermite, 211, 220, 222, 285 Herschel, 528 Hertz, 102, 145, 194-5, 427, 488, 498, 502, 504, 510 Hertzian oscillator, 309, 317 Hilbert, 5, 11, 203, 433, 450-1, 464-8, 471, 475-7, 484 Himstedt, 195 Hipparchus, 291 homogeneity, 74, 423 homogeneous, 67 hydrodynamics, 284