IJTDJEX. 



687 



Bale.Society at Bale.II. 103. 



Baliani,II. 221, Sre. 



Balista,!!. 207. 



Balistic machine,!!. 132.227 



Balistic scale, !!. 227. 



Ball, I!. 137. 



Ball offire,ir. 433. 



Ballast,!. 326.11. 199. 



Balloon, I. 273,346. 



Balloons, !I. 156,256, 264. 



Balls rounded, IL 210. 



Bancroft, II. 322. 



Bank, !. 264. II. 233. 



Banking, !. 199. II. 194. 



Banks,1.3 18.11.48,142, 2 14. 



Baratteri, II. 224. 



Barbieri, II. 497. 



Bark, 1. 729. 



Barker, II. 308. 



Barker's mill. II. 237. 



Bark mills, II. 213. 



Barley, II. 151,215. 



Barlow,!. 124.!!. 151,161. 



Barn, II. ISO. 



Barofsteel, II. 404. 



Barometer, 1. 704, 712, 748, 

 PI. 19. n. 69, 450, 482. 



Barometers, 1. 275, II. 167, 

 381, 448, 459. Light of 

 barometers, II. 422. 



Barometer tubes, !!. 667. 



Barometrical balance, II. 

 461. 



Barometrical fish, II. 462. 



Barometrical light, II. 425. 



Barometrical maclune, II. 

 251. 



Barometrical measure- 

 ments, II. 472. 



Barometrical motion,II.183 



Barometrical observations, 

 II. 463. 



Baroscope, I. PI. 19. II. 

 920, 454, 461, 462. 



Barrel, I!. 150, 151. 



Barrel chronometer, 1. 190, 



Barrel organs, II. 275. 



Barrels, II. 202. 



Barrow, I. 248, 253, 475, 



478, 483, II. 112, 113, 



117, 144, 313, 597, 609, 



623. B. 1630. D. 1677. 

 Barruel, II. 128, 653. 

 Bartel, II. 492. 

 Barthez, II. 164. 

 Barthold, II. 674. 

 Bartholin, I. 477, 483, B. 



1616. D. 1680. 

 Bartholinus, II. 291, 337, 



478, 479. 

 Bartoli, II. 264. 

 Barton, I. PI. 4. 

 Barulcus, II. 198. 

 Basaltes, II. 494, 498. 

 Base measured, II. 147. 

 Bases measured, II. 360. 

 Baskets,!. 219. 

 Basket work, II. 188. 

 Bass, I. 399. 

 Bataafsch genootschap, II. 



109. 

 Batavian drops, II. 403. 

 Batavian society, II. 109. 

 Bath, II. 403. 

 Bathing tub, II. 180. 

 Baths, II. 410,411, 518. 

 Bath society, II. 519. 

 Batsha, 1.586,605. 

 Batteries for electricity, II. 



433. 

 Battering ram, I. 234. 

 Battery, I. 666. 

 Battery of charcoal, IT. 428. 

 Battery of talc, II. 433. 

 Battery of Volta, I. 53. PI. 



40 

 Batting cotton, U. 185. 

 Bauer, II, 416. 

 Bauhin, II. 748, 756. J. 



Bauhin.B.1541.D.1613. 



C. Bauhin. B. 1560. D. 



1624. 



Baum^, II. 231. 



Bavarian Academy, II. 109 



Bavarian measures, II. 148' 



Baxter, 11.324. 



Bayer, I. 496. 



Bayrcuss, II. 184. 



B. B. II. 105. 



Bead pump, I. 335, II. 336. 



Beads, n. 157. 



Beads iu equilibrium, I. PI. 



11. 

 Beam, I. 147, 149. II. 169. 

 Beam compasses, I.P1.6. 11. 



144. 

 Beams, I. Pl.lO.II.168.178. 

 Beams in equilibrium, I. PI. 



11.11. 43. 

 Beams of light, II. 303. 

 Beams of ships, II. 241. 

 Bear, I. 496. 

 Bearing heat, II. 403. 

 Beating plaster, II. 213. 

 Beat, I. PI. 25. 

 Beats, I. 390. II. 544. 

 Beatson, II. 239. 

 Beaver hats, II. 189. 

 Beccaria, I. 714. II. 293. 



362,415,432,482. 

 Beck, II. 416. 

 Becket, II. 416. 

 Bcckmann, II. Ill, 127, 



141, 217. 

 Bedos, II. 275. 

 Beds, II. 179. 

 Beds of air, U. 221. 

 Beech, II. 509. 

 Beehives, II. 180. 

 Beer measure, II. 150. 

 Bees, 11.516, 517. 

 Beetle, II. 516. 

 Beguelin, 1. 480. II. 288. 

 Beighton,!. 347,357,PI.24. 

 Beitz, II. 264. 

 Belgrade, II. 383. 

 Belidor, II. 141, 319, 232, 



246, 261. 



Bell, 1.401. II. 268. 



Bellin, 11. 441. 



Bellows, I. 264, 343, PI. 24. 



II. 252. 

 Bells, II, 274, 486. 

 Bells of clocks, II. 194. 

 Beltinzoli, II. 224. 

 Belts, II. 189. 

 Belts of Saturn, II. 335. 

 Bemetzriedcr, II. 273. 

 Benedetti, I. 247. 

 Bengal society, II. 111. 

 Bennet, I. 141, 142, 682, 



683. PI. 40. II. 324, 416, 



630. 

 Bent columns and bars, I. 



PI. 9. 

 Bentham, II. 174. 

 Bent lever, I. PI. 3. 

 Bent lever balance, 1. 120, 



PI. 9, II. 160. 

 Bent pipes, I. 293,11. 222. 

 Bent sails, II. 227. 

 Bent straps, I. PI. 13. 

 Benvenuti, II. 316. 

 Bcnzenberg, II. 284, 358, 



500. 

 B^rard, II. 129. 

 Beraud, II. 417. 

 Berdoe, II. 416. 

 Bergen, II. 387. 

 Bergraann, I. 750, II. 112, 



366,399,482, 508.B.1735. 



D. 1784. 

 Bergmannisches j o urnal,II . 



263. 

 Berkel, II. 436. 

 Berkeley, II. 310. 

 Berlin. Academie de Berlin, 



II. 107. Physical society 



at Berlin, II. 110. 

 Berline, II. 202. 

 Berlinghieri, II. 408. 

 Berliuische tanimlungen, 



II. 109, 



