INDEX. 



685 



Anvil, I. 80. 

 Anvils, 1. 222. 

 Anviloftlieear,!. 387. 

 A. P. II. 107. 

 Apennines, II. 493, 499. 

 A. Petr. II. 108. 

 Aphelia. II. 372. 

 Apis longicornis, II. 602. 

 Apocynum,II. 183. 

 Apogee, II. 371. 

 Apollodorus, I. 243. 11. 



120. 

 ApoUonius Pergaeus, 1.240. 



253,594,604,11.117,118. 



121. 536. Fl. 242. B. C. 

 Apothecaries' grains, II. 



162. 

 Apparent attractions, re- 

 pulsions, and cohesions, 



I. PI. 39. II. 655. 

 Apparent brightness, II. 



313. 

 Apparent diameters of the 



planets, II. 372. 

 Apparent diameter of the 



sun,.I. 525. 

 Apparent magnitude. II. 



313. 

 Apparent motion of the 



sun, I. 524. 

 Apparent motions, I. 536. 

 Apparent motions of the 



stars, I. 523. 

 Appearances of comets, II. 



346. 

 Appearances of the celestial 



bodies, I. 523. 

 Appeai'ances of the primary 



planets, II. 344. 

 Appearances of the second- 

 ary planets, II. 344,345. 

 Appearances of the stars, II. 



344. 

 Appearancesof thesun. 11. 



349. 



Appendages to clothes. II. 



189. 

 Appendages to mills,11.215. 

 Appendages to pipes, II. 



246. 

 Appendages to whcelwork, 



II. 184. 

 Application of hydraulic 



forces, n. 235. 

 Application of forces, 11. 



181. 

 Appropriate rectangle of a 



fluid, II. 651. 

 Approximation, II. 8, 115, 



116. 

 Apsidal angle, II. 340. 

 Apsides,!. PI. 34. II. 32. 

 Aquapendentc, II. 310. 

 Acjuarius, I. 504. 

 Aqua tinta, I. 120. 

 Aquatinter, II. 158» 

 Aqueducts, II. 235. 

 Aqueous humour, 1. 447, II. 



82, 530. 

 Aqueous solutions, II. 395. 



Aquila, I. 497. 



Arabians, I. 243, 246. 



Aratus, I. 604. B. SOO.BjC. 



Arbogast, II. 119. 



Arbuthnot,II. 147,162. 



Arc, II. 9. 



Arch, I. 160, 238. .See cor- 

 rections. PI. 11,11.42. 



Arches, II. 17.5. 



Arches with halos, II. 300. 



Archimedes, I. 36, 68, 65, 

 240, 242, 247, 218, 253, 

 310, 328, 329, 352, 473, 

 433, 567, 593, 604, PI. 22. 

 II. 111,116,118,283,406, 

 556, 557. D. 212. B.C. 



Archipelago, II. 495. 



Architecture, I. 157, 238, 

 245. II. 172. Hydraulic 

 architecture, I. COS, 312, 



II. 232. Naval architec- 

 ture, n. 240. 



Architecture rurale,II. 519. 



Arch lute, I. 399. 



Archytas, I. 239, 253. B, 

 442. D. 352. B. C, 



Arcs, II. 122. 



Arcs of circles, I. PI. 6, 



Arcturus, I. 493, 497. 



Arcy. See Darcy. 



Are,1. 110, II. 151. 



Area of a circle, II. 17. 



Area of England, II. 367. 

 See corrections. 



Areas, II. 121. 



Areas of countries, 11.367. 



Arena, II. 321. 



Areometer, 11.231,462,510. 



Aretin, the monk, I. 405. 



Argand's lamp, II. 291. 



Argo, I. 498. 



Aries,!. 497, 504. 



Arista rchus, I. 593, 604. 

 Fl. 264. B.C. 



Aristophanes, I. 472. 



Aristoteles, II. 111. 



Aristotelians, I. IS. 



Aristotle, 1.7,25,239,253, 

 352, 366, 404, 405, 407, 

 473, 483, 738, 744, 745, 

 756^,11. 217,510. B. 385. 

 D. 322. B.C. 



Aristosenians, II. 551. 



Aristoxenus, II. 554. 



Aristyllus, I. 592, 604. 



Arithmetic, II. 1, 115. 



Arithmetical machine, II. 

 146. 



Arithmetical progression, 

 II. 4. 



Arkwright, I. 131,215. 



Aimati, II. 323. 



.Armillary sphere, II. 375. 



Arms, II. 206. 



Arnault,!. 190. 



Arnold, 1. 196, 20O. PI. 16. 



I!. 194. 

 Arpent, II. 151. 

 Arrangement of particles, I. 



628. 

 Arrangement of the stars,!. 



493. 

 Arras, II. 264. 

 Arrow, !. 226. 

 Arrows, II. 208, 218. 

 Arrovvsmith, I. PI. 42. 43. 



II. 376. 

 Arsandau.x, II. 195. 

 Arschin, II. 154. 

 Arsenic, I. 680. 

 Art de fairc Ics ballons, II. 



256. 

 Art de voyager dans Its airs, 



II. 256. 

 Art du plombier, II. 200. 

 Artedi, I. 736. 

 Arteries, I. 291. 

 Articulate sounds, II. 276. 

 Artificial clockmaker. II. 



191. 

 Artificial cold, II. 410. 411. 

 Artificial globe, I. 565. 

 Artificial horizon, II. 354^ 



355. 

 Artificial magnets, I. 692. 

 Artificial spring, II. 246. 

 Artillery, U. 259,262. 

 Arts, II. 124. 



Arts depending en exten- 

 sion, II. 206. 

 Arytaenoid cartjlages, I. 



387, 4O0. 

 Asbestus,!!. 185, 186. \ 



Ascending foice, 11.277. 

 .^scendhig thunder, 1. 482, 



484. 

 Ascent, I. 32. 

 Ascent of a cannon ball, II. 



260. 

 Accent of a double cone,!. 



ri.s. 



