6S6 



INDEX. 



^gcent of n loaded cylinder, 



I. PI. 3. 

 Ascent of balloons, II. 



256. 

 Ascent of water, I. PI. 39. 

 Ash, I. T52, ir. 509. 

 Asiatic mirror, II. 453. 

 As. Res. 11. 111. 

 Ass, I. 209, II. 2r9. 

 Astcrites, II. 675. 

 Asterometer, 11. 375. 

 Astle, II. 143. 

 Astrolabe, II. 349, 350, 3rr« 

 Astronomer Royal, 1. 602. 

 Astronomical apparatus,II. 



347. 

 Astronomical characters, 



n. 376. 

 Astronomical corrections, 



, n.37j. 



Astronomical dates, 11.349. 

 Astronomical instruments, 



I. 537. 

 Astronomical observations, 



11.310,346. 354. 

 Astronomical tables, II. 



371. 

 Astronomical telescope, I. 



437,11.78,351. 

 Astronomical time, I. 541. 

 Astronomy, 1. 487,11. 324, 



S76.Practical astronomy, 



I. 536. 

 Astrotheology, II. 325. 

 Athenaeus, I. 242,253,746. 



Fl. 136. 

 Atkins, II. 161, 231, 3K, 



510. 

 Atmosphere, I. 272, 699, 



PI. 19, 24. 

 Atmosphere of Jupiter, I. 



588, 702. See corrections. 

 Atmosphere of the sun, I. 



502. 

 Atmosphere of Venus, II. 



310. 



2 



Atmospheres, 11. ."iSa. 

 Atmospherical electricity, 



11.481. 

 Atmospherical evaporation, 



II. 464. 

 Atmospherical pressure, I. 



273, II. 220. 

 Atmospherical meteors, II. 



499. 

 Atmospherical refraction, 



I. 441. PI. 29. 11.81,299. 

 Atmospheric machine, I. 



337. 

 Atmospheric tides, I. 588. 

 Atoms, I. 612, 744,11. 377. 

 Attachment of horses, I. 



218. 

 Attalus, I. 243. 

 Attraction, II. 131, 377, 



379, 510, 520. Magnetic 



attraction, 11. 437. 

 Attraction of a. hill, II. 364. 

 Attraction of a sphere, I. 



515. 

 Attraction of a weight, II. 



364. 

 Attraction of dust by elec- 

 tricity, II. 419. 

 Attraction of gravitating 



bodies, II. 45. 

 Attraction of light, II. 322, 



330. 

 Attraction of metals for 



mercury, II. 639. 

 Attraction of raoitture. I. 



708. 

 Attraction of mountains, II. 



359. 

 Attraction of solids, II. 339. 

 Attraction of spheroids, II. 



359. 

 Attraction of stars, II. 321. 

 Attraction of water and 



oils, 11.381. 

 Attraction of wood, II. 381. 

 Attractions, II. 655. 



Attractions and repuls ion 

 of electrified bodies,I.663, 



Attractions of floating 

 bodies, 1. 624, 665. 



Attractions of solids and 

 fluids, I. 621. See correc- 

 tions. 



Attractions of the electric 

 fluid, I. 659. 



Attrition,!. 156,11.293. 



Attrition in a vacu um,II.425 



Atwood, II. 127, 131, 177, 

 652. 



Atwood's machine, I. 53. 

 - PI. 1. II. 30, 131. 



Aubert, II. 673. 



Audible interval,"II. 575. 



Auger, II. 211. 



Automaton, II. 374. 



Automatons, II. 184. 



Auriga, I. 496. 



A urora borcilis, 1. 687,7 16, 

 II. 441, 488. 



Auruin mosaicum, II. 432. 



Aurum musivum, II. 157. 



Austrian measures, II. 155. 



Auswahl der neuesten ab- 

 handlungen, II. 111. 



Auvergnc, II. 495. 



Auzometer, II. 288. 



Averrhoa carambola,II.513. 



Avicenna, 1. 192. 



Avison, II. 273. 



Avoirdupois, 1. 124. 



Avoirdupois weight, 11.161. 



Axes of an ellipsis, II. 23. 



Axes of rotation, I. ll.Cor- 

 rcctions. 



Axis and wheel, 1. 67, 



Axis and winch, I. 204. 



Axles, I. 150, II. 203. 



Axles of wheels, II. 201. 

 Azof, II. 498. 

 Azote,II.518. See Nitrogen. 



Azimuthal instrument, II. 

 349, 350. 



Azimuth compass, I. PI, 41, 



II. 444. 

 Azimuths, II. 355. 

 Baader, II. 251, 384. 

 Babylonian observations,!. 



590. 

 Bachelay, II. 674. 

 Bachstrom, II. 243. 

 Bacon. Roger Bacon, I. 



246, 253, 354, 366, 475, 



483, 746, 756, II. 124, 



323. B. 1214. D. 1892. 

 Bacon, Lord Verulam, I. 



7, 16, 247, 253, 407, 598, 



744,747, 756,II.111,1«4. 



681. B. 1560. D. 1626. 

 Bag, I. 268. 

 Bagatella, 11. 274. 

 Bagging, II. 187. 

 Bagpipes, II. 275. 

 Bag pump, I. 333. PI. 23. 



II. 252. 

 Baier, II. 325. 

 Bailey, II. 127. 

 Baillet,II. 174. 

 Bailly, I. 591. II. 376. 

 Baker, II. 121. 

 Bakerian lecture for 1800, 



il. 573. 

 Bakerian lecture for 1801, 



II. 613,671. 

 Bakerian lecture for 1803, 



II. 639. 

 Balance, I. 190. PI. 8, 9. 

 Balance. Hydrostatic ba- 

 lance, I. 308. 

 Balance of painters, II. 217. 

 Balance pump, II. 249. 

 Balances, I. 124, II. 159, 



194. 

 Balance spring, I. 19 . 

 Balance springs, IL 194. 



217. 

 Baldwin, II. 176, 256. 

 Baldwin's phosphorus, II, 



S92. 



