Licence: Public Domain Mark
Credit: The museum of science & art / edited by Dionysius Lardner. Source: Wellcome Collection.
Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.
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![Sevres tender porcelain, ii. 163; manufactory, origin of the, ib. Sexual phenomena, certain, have no relation to the lunar months, i. 123. Sforza II., his death presaged by a comet, ii. 82. Shell-fish, supposed lunar influence on, i. 123. Shooting stars, recorded falls of, i. 141; computation of the number of, seen at Boston in 1833, 143 ; Encke's computation respecting the direction of, 146 ; luminous trains of, not an optical delusion, 147 ; investigations respecting the height, direction and velocity of, 148 ; prodigious velocity of, 151 ; No- vember 12th and 13th remarkable for the appearance of, ib. ; diffi- culties attending every hypothesis concerning, ib. ; months in which they are generally most numerous, 152; of 1833, and subsequent years, ib. ; of 1799, ib. ; probable periodicity of, 153 ; table recording the days of their occurrence, 154 ; Sir J. Herschel's observation of, 155; identity of, with fire-balls and meteoric stones, 156. Sienna, great fall of meteorites at, i. 140. Silica, its utility in pottery, accident- ally discovered, ii. 141. Sinumbral lamp, ii. 207. Small-pox, remarkable instance of the incornmunicability of, ii. 86. Smell, fallacies of, i. 87. Smelling, analogy between seeing (on the corpuscular theory) and, i. 195. Sneezing, origin of a usage respecting, ii. 80. Snow, altitude of perpetual, i. 18. Solar spectrum, different heat of the colours of the, i. 206. Solar rays, three distinct powers of the, i. 207. Sounds (musical) and colours, analogy between, i. 203. Special trains dangerous, i. 187. Spectra, optical,.i. 85. Speed of American steamers, ii. 24. Staffordshire potteries, origin of the, ii. 139. 10 Stage coaches, accidents from, com- pared with railway accidents, i. ] 69. Stars, illusion respecting the number of the visible, i. 88. Statuary porcelain, ii. 168; process of its fabrication, 169. Steam navigation in America, great chain of lake, ii. 32. Steamers, tables of dimensions of Hudson, ii. 22 ; splendour of Ame- rican, 24 ; speed of, ib. ; mode of working American, 25 ; power of, ib. ; fares in, 27 ; sea-going Ame- rican, 35 ; tonnage of, ib. Steel wire burnt in oxygen, ii. 11. Stone-ware, ii. 166. Struve's observations on the breadth of Saturn's rings, i. 55. Suicide by lying across a railway, ex- amples of, i. 192. Sun's magnitude as seen from different planets, i. 8 ; disk of the, as seen from the different planets, 25 ; the, invested with an ocean of flame, 62 ; computation of the degrees of the heat of che, 63 ; its physical condition incompatible with habit- ability, ib. ; blue spectrum of the, 87 ; and moon, apparent diameter of the, invariable, 83. Sun-stones, i. 160. System, the solar, i. 5. Tails of comets, ii. 69 ; triple, 95. Taste, fallacies of, i. 87. Temperature, fallacies respecting dif- ferences in, i. 90. Tender, meaning of the term as ap- plied to porcelain, ii. 161. Tenerifle, stone from, used as a filter, ii. 102. Thames water, ii. 103. Thermometer, not afleeted by the moon's rays, i. 70 ; in the vaults of the observatory at Paris, 91. Throwing, process of, ii. 177. Thrown ware, ii. 181. Timber, proper time for felling, sup- posed to have reference to the moon's phases, i. 117. Time, correspondence of, with longi- tude, i. 109. Titan,the largest of Saturn's moons,i. 4 8,](https://iiif.wellcomecollection.org/image/b21940654_0448.jp2/full/800%2C/0/default.jpg)