INPEJf. 



701 



Essai de batir sous I'eau, 

 If. ^3U. 



Essay on signals, II. 113. 



Essay on tune, II. 273. 



Essay on windmills, 11.239. 



Essays on Gothic aicliilec- 

 ture, II. 172. 



Essential properties of mat- 

 ter, I. 605. 



Esteve, II. 272. 



Etching,!. 119,11.158,218. 



Ether, II. 338, 377, 400 . . 

 402,614. 



Ether, II. 653. 



Ethereal mediuiu,I.615,630 



Ethereal vibratioiis,II. 541. 



Etherial vapour, II. 397. 



Etna, II. 493. 



Etres organises, IT. 497. 



Euclid, I. 239, 253, 473, 

 483, II. 556, 557. Fl. 

 300. B. C. 



Euclides,II. 117. 



Eudiometry, II. 462. 



Eudoxus, I. 239, 253, 604. 



Euler,I. 249, 250, 253, 361, 

 366, 384, 406, 407, 459, 

 479, 480, 483, 522, 531, 

 602, 604, 749, 756, II. 

 112, 114, 119, 123, 126, 

 129, 165, 166, 239, 260, 

 265, 269, 272, 275, 288, 

 895,340, 341,373, 638, 

 541 . . 543, 547 . . 549, 

 550, 614, 623, 651, L. 

 Euler, B. 1707, D. 1783. 

 J. A. Euler, II. 236, 417, 

 624, 671. 



Eumenes, I. 98. 



Euphon, II. 275. 



Evanescent quantities,!!. 16 



Evaporation, I. 641, 706, 

 II. 396, 408, 432, 424, 

 427, 458,464,467. 



Evaporation ofice, II. 396. 



Evaporation of mercury, 

 II. 322. 



VOL. II. 



Evaporation of snovr, II, 



395, 396. 

 Evaporator, II. 411. 

 Evelyn, II. 158. 

 Evolute, II. 22. 

 Evolutes, II. 120. 

 Exauien de la pouiire, II. 



260. 

 Examen des ouyragos faites 



pour determiner la figure 



de la terre, II. 359. 

 Excitation, II. 421. 

 Excitation of electricity, I. 



425. 

 Excitement of heat, I. 632. 

 Excise, II. 510. 

 Excretions of !)lants,II.614. 

 Exercise, II. 181. 

 Exhalations, II. 499. 

 Exhaustion, II. 385. 

 Eipanduig fluids, II. 257. 

 Exj)anse of the universe, 



I. 489. 



Expansible fluids, II. 379. 

 Expansion, I. 640. II. 385, 



509. 

 Expansion of cold water, 



II. 389. 



Expansion of pendulums, I. 

 199. 



Expansion of spirits, 11. 393 



Expansion of the air, I. 

 PI. 24. 



Expansion of water, II. 392 



Expansions, I. 646. 



Expansions of gases, II. 393 



Expansions of liquids, II. 

 391. 



Expansions of solids, II. 391 



Expectations, II. 117. 



Expense of gunpowder, II. 

 261. 



Experiment on elasticity, I. 

 28. 



Experiments and observa- 

 tions on light and co- 

 lours, II. 321. 



Experiments of the society 



for the advancement of 



naval architecture,!I.a28 

 Experiments on magnetism, 



II. 439. 

 Explosion, II. 673. 

 Explosion in the air, II. 



499. 

 Explosion of a furnace, II. 



494. 

 Explosion of a steam en- 

 gine, II. 259. 

 Explosion of grindstones, 



II. 383. 

 Explosions, I. 717. 

 Explosions of electricity, 



n. 422. 

 Explosive letters, II. 276, 



277. 

 Exponential quantities, II. 



8, lie. 

 Expressing a number of 



facts, II. 347. 

 Extension,!. 135, 136, 138, 



222,607,11. 205. 

 Extension by percussion, 



II. 205. 

 Extension of a column, I. 



PI. 9. 

 Extension of light, II. 320. 

 Extension of threads, II. 



168. 

 Extinction of fires, II. 410, 



413. 

 Extinction of heat, II. 484. 

 Extinction of light, I. 464, 



II. 639, 642. 

 Extraction of roots, II. 115. 

 Extraction of the crystal- 



. line, 11.592. 

 Eyck. Van Eyck, 1. 96, 246, 



253. B. 1371,D. 1441. 

 Eye, I. 447, PI. 80, II. 82, 



311, 530, 578, 638, 680. 

 Eyeglasses, II. 288. 

 Eyepiece, I. 430, PI. 28, 



II. 80, 289. 



4 r 



Eyes of animals, II. 311. 

 Eyes of birds, II. 601. 

 Eyes of insects, II. 601,678. 

 Eytelwein, I. 365. II. 130, 



148, 154, 230. 

 Fabre, II. 225, 250. 

 Fabri, II. 380. 

 Fabricius, I. 736, II. 331, 



516. 

 Fabricius abAquapendente, 



11.310. 

 Fabroni, I. 752. 

 Faculae, 11. 331. 

 Faenza, 11. 217. 

 Fahrenheit, I. 632, 648, IT, 



386. 

 Fair, II. 148, 160. 

 Fairy rings, II. 483. 

 Falck, II. 257. 

 Falconer, I. 746, II. 239. 

 Fall, II. 131. 

 Fallacy of sight, II. 313. 

 Fallen mttctjrs, II. 501. 

 Fall in a Ouid, I. 268. 

 Fall in air, II. 226. 

 FaHing bodies, II. 228, 339. 

 Falling stars, II. 365, 50O. 

 Falling stone, II. 358. 

 Fall of a heavy body, I. 30, 



111. 

 Fall of a feather, I. 57. 

 Fall of bodies, II. 342. 

 Fall of earth, II. 498.- 

 Fall of leaves, I. 730. 

 Fall of rain, II. 477. 

 Fallows, II. 213. • 

 Falsetto, II. 550. 

 Fan for corn, I. 345, II. 



215. 

 Fannius, I. 353, II. 160. 

 Fans, II. 252. 

 Farina, II. 512. 

 Farm buildings, II. 174, 

 Farmer's calendar, II. 519. 

 Fascination, II. 518, 519. 

 Fass, II. 155. 

 Fasting, II. 516. 



