732 



INDEX. 



Sun's motion, 1. 5 17, II. 330. 

 Sun's pHrallax, I. 614, II. 



356. 

 Sun's path, I. PI. 34. 

 Sun's place, II. 341. 

 Sums of progressions, II. 



4. 

 Sun's rays, I. 415, 6 IT, 697. 

 Sun's spots, I. PI. 31. 

 Sun's transit, II. 348. 

 Superficial adhesion, II. 



382. 

 Superficial cohesion, 1. 620. 

 Superior tides,' I. 583. 

 Supernumerary rainbows, I. 



470, PI. 30, II. 316,643. 

 Support, I. PI. 3. 

 Support for a telescope, II. 



289. 

 Support for balances, II. 



159. 

 Support for lenses, II. 284. 

 Supports for clocks, I. 202, 



II. 195. 

 Surds, II. 115. 

 Suremain Miss^ry, 11. 264. 

 Surface, II. 8. 

 Surface of a fluid, I. 260. 

 Surface of a liquid, I. 620. 

 Surface of a sphere, II. 21. 

 Surfaces, II. 268. 

 Surfaces admitting heat, II. 



407. 

 Surfaces of fluids, I. PI. 39, 



II. 220, 381, 649, 667. 

 Surface of the sea, I. 568. 

 Surging the Tiessonger, II. 



197. 

 Surveying, II. 146, 156. 

 Surveys, II. 358. 

 Survivorships, II. 117. 

 SuryaSiddhanta, II. 377. 

 Suspended body, II. 137. 

 Suspended scaflTolding, II, 



199. 

 Suspending ships, II, 343. 

 Suspension, 1. 42. 



Suspension for a clocV, II. 



195. 

 Suspension of a weight, I. 



PI. 3. 

 Suspension of carriages, II. 



203. 

 Suspension of quicksilver, 

 - 11.380. 

 Susurrant letters, II. 276, 



277. 

 Sutton, II. 257. 

 Svanberg, 11. 362. 

 Swammerdam, II. 596, 602. 

 Swan, I. 496. 

 Sward cutter, II. 208. 

 Swcdenberg, II. 254. 

 Swedish measures, II. 147. 

 Sweeping cliimnies, II. 41 1. 

 Sweetening sea water, II. 



487. 

 Swig, I. 70, PI. 4, II. 197. 

 Swiftest descent, I. 40, II. 



34, 132. 

 Swimming, II. 164, 243. 

 Swinden. See Van Swinden. 

 Swinging of a ship, II. 240. 

 Swinging troughs, II, 2 18. 

 Switzer, II. 219. 

 Sword cutlery, II. 207. 

 Swords, II. 207. 

 Symbols, II. 376. 

 Symes, II. 676. " 

 Symington, I. 322, PI. 24. 

 Symington's steam boat, 



II. 259. 

 Sympathetic sounds, 1. 386, 



II. 270. 

 Sympathy of chords, II. 27 1 . 

 Sympathy of clocks, I. 202, 



II. 195. 

 Sympathy of pipes, II. 271. 

 Synchronous tide, I. 579. 

 Synesius, II. 350. 

 Synthetical order, I. 9. 

 Syntractories, II. 123. 

 Syrinx, I. 402. 

 System of Ptolemy, I. 594. 



System of the world, II. 



338, 339. 

 System of wires, II. 352. 

 .Systems of stars, II. 328. 

 Systems of the world, I. PI. 



38. 

 Table of conductors and 



nonconductors, II. 421. 

 Table of excitation, II. 426. 

 Table of heights, II. 367. 

 Table oftheeflects of heat, 



11. 399. 

 Table of thermometers, II. 



399. 

 Table of refractive powers, 



II. 296. 

 Tableofwind, II. 457. 

 Tables, II. 113. 

 Tables for correcting re- 

 fraction and parallax, II. 



371. 

 Tables for the nautical al- 

 manac, II. 370. 

 Tables of logarithms, II. 



117. 

 Tablesof measures, II. 148. 

 Tables of specific gravities 



and capacities for heat, 



II. 503. 

 Tables of the places of the 



heavenly bodies, II. 373. 

 Tablets, II. 143. 

 Tabor and pipe, II. 275. 

 Tachygraphy, II. 143. 

 Tackle, I. PI. 4, 17, II. 



197. 

 Tails of comets, I. 512, PI. 



33, II. 337. 

 Tajo, II. 243. 

 Talc, II. 419, 433. 

 Tallow, II. 170, 209, 291, 



659. 

 Tamburine, I. 401. 

 Tangencies, II. 118. 

 Tangent, I. PI. 1, II, 15. 

 Tangent of an ellipsis, II. 



23. 



Tiingents, I. 106, II. 120. 

 Inverse method of tan- 



genU,II. 123. 

 Tanks, II. 481. 

 Tap, II. 246. 

 Tapestry, II. 187. 

 Taranto, II. 493. 

 Tarif, II. 146. 

 Tarquin, I. 237. 

 Tarred ropes, II. 171. 

 Tartalea, I. 247, 253. D. 



1557. 

 Tartini, I. 406, II. 273, 544. 

 Tatham, II. 177, 234, 235. 

 Tattee, II. 453. 

 Taurus, I. 504. 

 Tautochronous curves, II. 



133. 

 Taylor, I. 405 . . 407, 



478, 483, 754, II. 117, 



119, 157, 546, 652. 

 Teaching the deaf, II. 278. 

 Teazles, 11. 188. 

 Technology, II. 141. 

 Teeth, II. 518. 

 Teeth of wheels, I. 176, PI. 



15, II. 55, 56, 183. 

 Teichmeyer, II, 126. 

 Telegraph, I. 100, PI. 6. II. 



143, 144. 

 Telescope, I. 473, II. 323. 

 Telescope of forty feet, II. 



287. 

 Telescopes, I. 427 . . 433, 



PI. 28, II. 78 . . 80, 199, 



286, 315. 

 Telescopic level, II. 286. 

 Telescopic sights, II. 286, 



323,351. 

 Temper, 1. 142. 

 Temperament, I. 395, PI. 



25, 11.272,554,610. 

 Temperate zones, I. 570. 

 Temperature, 1. 696, II. 



450, 461. 

 Temperature of a bridge, 



II. 176. 



