INDEX. 



735 



Temperature of condensed 



air, II. 408. 

 Temperatute of running 



water, I. 299. 

 Temperature of vegetables, 



II. 515. 

 Temperature of water, II. 



223. 

 Temperatures, II. 394, 397, 



399. 

 Tempering instruments, II. 



207. 

 Tempering of metals,1. 644. 

 Tempering steel, II. 403. 

 Temper of iron, I. 627. 

 Temple of Solomon, 11. 



486. 

 Tempo rubato, II. 564. 

 Tenacity, I. 629. 

 Teneriffe, I. 700, 11. 365, 



447. 

 Tennant, II. 680. 

 Tennis, II. 132, 180. 

 Tenon, I. 168. 

 Tension of a pendulum, U. 



133. 

 Tensions of cords, II. 200. 

 Tents, II. 180. 

 Tenuity of light, II. 320. 

 Tercera, II. 493. 

 Tertiary mountains, I. 



574. 

 Temate, II. 493. 

 Terpander, I. 403, 407, II. 



566. 

 Terrella, or magnet in a 



globe, I. 689. 

 Terrestrial electricity, II. 



419. 

 Terrestrial fires, II. 494. 

 Terrestrial heat, II. 406. 

 Terrestrial magnetism, I. 



689, II. 440. 

 Terrestrial physics, II. 



519. 

 Terrestrial refraction, I. 



442,11.300. 



VOL. II. 



Terzi, II.:364. 

 Testimony, II. 117.' 

 Tetens, II. 381, 485. 

 Tetrodon, II. 436. 

 Textures not woven, II. 



188. 

 Teylerian machine, II. 432. 

 Teylcrian museum, I. 680. 

 Thales, I. 236 . . 239, 253, 



592, 604, 743, 744, 756. 



B. 636. D. 546. B. C. 

 Thawing, I. 699, 11. 394, 



480. 

 Theatres, II. }T4, 290. 

 Theodolite, I. 105, II. 



352. 

 Theon, I. 604. 

 Theophrastus, I. 745, 756, 



II. 567. B. 373, D. 288. 



B. C. 

 Theorems. General theo- 

 rems, II. 114. 

 Theories of light, I. 457. 

 Theory of electricity, I. 



658, II. 417. 

 Theory of machines, II. 



141. 

 Theory of music, II. 272. 

 Theory of optics, I. 408. 

 Theory of the earth, II. 



497. 

 Theory of the tides, II. 



342, 343. 

 Tliermolamp, II. 291. 

 Thermometers, I. 647, 696, 



747, II. 385, 451, 454. 

 Thermoraetrical po^^er, II. 



167. 

 Thermoscope, I. Pi, 39, II. 



386. 

 Theuth, I. 236. 

 Thcvenot, II. 214. 

 Thicknesse, II. 143. 

 Thick plates, I. 471, PI. 30, 



II. 316, 628. 

 Thin plates, I. 468, PI. 30, 



II. 316,320,647. 



Thistle cutter, II. 208. 

 Thomson, 11. 408, 508. 

 Thorowgood,II. 193. 

 Thoth, I. 236. 

 Thoughts on gravitation, 



II. 380. 

 ThouTenel, II. 261. 

 Tlnead, II. 186, 218. 

 Three bodies, II. 131, 139, 



338. 

 Threshing, II. 214, 218. 

 Threshing machines, I. 



232, II. 215, 216, 218. 

 Threshing mill, I. PI. 18. 

 Throwing a stone, I. 226. 

 Throwing wheels, I. 327, 



PI. 22,11. 250. 

 Tiirust of arches, II. 176. 

 Tlirust of earth, II. 173, 



232. 

 Thunder, I. 713, II. 479, 



481. 

 Thunderstorm, I. 714, II. 



483. 

 Thyreoid cartilage, I. 400. 

 Tibiae, I. 404, II. 567. 

 Tide, II. 167, 196. 

 Tide machine, I. 337. 

 Tide mills, 11. 236. 

 Tides,) I. 576, PI. 38, II. 



341,342,368,491. 

 Tides in the atmospliere, 



II. 450. 

 Tides oflakes, II. 343. 

 Tides of the Atlantic, 1.580. 

 Tie beam, I. 169. 

 Tielen, II. 141, 

 Tiles, II. 174. 

 Tiling, II. 179. 

 Tillct,II. 161. 

 Tilloch,II. 111. 

 Timber, II. 168. 

 Timber carriage, II. 202, 

 Timber in a ship, 11. 241. 

 Timbers, II. 178. 

 Time, I. 22, 188, 537,11. 



131, 347. 



5 o 



Time at sea, II. 348. 

 Time in music, II. 571. 

 Timekeepers, I. 188, 602, 



II. 191. 

 Time pieces, II. 191. 

 Timocharis, I. 506, 598, 



593, 604. 

 Timotheus, II. 567. 

 Tin, II. 266, 403, 509. 

 Tin plate work, II. 206. 

 Tint, I. PI. 6. 

 Titius, II. 127, 387, 520. 

 Titubation of the earth, II. 



358. 

 Toad in an oak, II. 516. 

 Toaldo, ir. 370, 446, 449, 



450, 474, 

 Tobacco pipes, II. 266. 

 Tobacco press, II. 204. 

 Toise, II. 151. 

 Ton, I. 124,11. 151,152. 

 Tone of sound, II. 565. 

 Tongs or grapples, II. 199. 

 Tongue, II. 278, 279. 

 Tonnage, II. 156. 

 Tools, II. 180. 

 Tooth of a *heel, II. 



560. ' 



Top, II. 137, 354. 

 Topham,I. 129. 

 Topham, II. 674. 

 Torelli, II. 157. 

 Tornados, II. 458. 

 Torpedo, I. 677, II. 435. 

 Torre del Greco, II. 493. 

 Torrents, II. 225. 

 Torricelli, I. 274, 354, 



355, 366, 748, -756, II. 



558. B. 1608, D. 1647. 

 Torricellian vacuum, I , 



339. 

 Torricellius, II. 112. 

 Torrid zone, I. 570. 

 Torsion, I. 135, 140, II, 



163, 383. 

 Tortoise, II, 312. 

 Tortoise »hell, II. 179. 



