INDEX.
3.95
Hipparchus , 54. Inequality ofSun ’s motion, 55 , Epicycles, 56.Catalogue of fixed stars, 57. Pre-cession of equinoxes; geography,58.
Hooke, Dr., mechanical inven-tions, 257. Inflexion of lightcolours of thin plates, 258.
Horrox, transit of Venus, 238.
Huyghens , micrometer, 239. Teles-copic sights j Saturn’s ring, 240.Pendulums, 242. Optics; teles-copes, 245. Double refraction,248. Mechanics, 252.
Hydrostatics, 45. 60. 131. 170. 233.236.
I.
Indians, their early astronomy andmathematics, 13.
Inflexion of light, Grimaldi andHooke, 251.
K.
Kepler, his early pursuit of astro-nomy, 144. Theory of the pla-netary orbits, 145. Treatise onthe motions of Mars , 147. No-tion of gravity, 148. First twolaws of the planetary motions,150. Dioptrics ; refraction, 151.Structure of the eye, 152. Per-secution ; Stereometry , 153. Har-monics, 154. Third’ law, 156.Rudolphine tables; death, 157.
L.
Lagrange, 370. 372.
Laplace, 373.
Leonarda introduces algebra intoEurope , 112.
Lucas de Burgo, improvements inalgebra, 120.
M.
Maclaurin, Colin, 366. 372.
Majstlin, 137.
Mariner’s compass, 113.
Marriotte, elasticity and compress-ing force of the air, 237.
Maurolycus, geometry, 120. Optics,127.
Mechanical powers, practical ori-gin, 26.
Mechanics and dynamics, 26. 60.129, 130. 160. 178. 252. 313. 368.
Menechme, geometry, 30.
Middle ages, state of science, 101,Monasteries , preservation of an-cient remains, 102.
N.
Napier, invention of logarithms;trigonometrical formula, 190.
Nautical astronomy, 381.
Negative sign, 125.
Newton , Isaac, his birth and earlyprogress, 276. Math ematicatstudies; analysis of light, 277.Prismatic experiments, 279. Re-flecting telescope, 280. Attackson his optical experiments, 283.Periodical colours, 286. Theory offits, 288. Inflexion, 291. Mathe-matical discoveries; series andfluxions, 293. Binomial theorem,294. Correspondence with Leib-nitz , 296. Sketch of system, 297.Controversy on the claims ofNewton and Leibnitz , 308. At-tacks on the principle, 312. Dy-namical discoveries, 313. Centralforces, 315. Curvilinear orbits,316. Attractions of bodies; mole-cular theory of light, 320. Systemof the world, 321. General viewof the system, 325. Remarkson the style of the Principia,335. History of the discoveries,338. Its progress, 342. Newton ’smiscellaneous studies, 348, Hisillness, 350. Subsequent pur-suits, 353. Death; philosophicalcharacter, 358.
Nicetas, 20.
Nicoraedes, 51,
O.
Observatories, Greenwich ; Paris,267.
Optical treatises ascribed to Euclid probably spurious, 59.
Optics, 27, 28. 44. 59. 66. 73.110113. 127. 131. 151. 163. 230. Ori-gin of, 27. Physical, recent re-searches, 384.
Otto Guericke , air-pump elec-trical machine, 235.
P.
Pappus, 75. Geometrical loci, 76.Analysis; cells of bees, 77.
Pascal, pressure of air, 234. Ofliquids, 236.
Pendulum, retardation of, at theequator, 270.
Philosophical Societies, origin of,at Oxford and in London , 254.Royal Society j in Italy , 260.Germany ; Pans, 261.
Planets, extra-zodiacal, discoveryof, 382.