598 



INDEX. 



Arsinoe, lodestone roof in temple 



of, 44. 



Arundel, Lord, his magnet, 333. 

 Aryans, the, 61. 



Ascham, on Italian learning, 334.. 

 Asclepiades on use of amber, 52. 

 Astrolabe, 179, 215. 

 Astronomy of Chinese, 79. 

 Attraction, theories of, prevalent in 



1 7th century, 433. 

 Attractive point, ^orman's, 214. 

 Aurora, Bose suggests elec. origin 



of, 499. 



Averrhoes, on amber attraction, 156. 

 Azieros, 22. 



Aztec ignorance of iron, 21. 

 Azimuth compass, 181. 



B. 



Babylonia, connection of Chinese 

 with, 63. 



Bacon, Francis and Descartes, 356 ; 

 and Gilbert, 317 ; criticisms on 

 Gilbert, 321-322 ; definition of 

 heat, 417; indebtedness to Gilbert, 

 319, 329; inductive method of, 330; 

 invective against Gilbert, 327; ob- 

 serves shock of torpedo, 401 ; on 

 learning of his time, 334; on med- 

 icine, 253; on truth, 311; physi- 

 ological remains, 324; reference to 

 Aristotle, 279; reference to elec- 

 trics, 325: relation to old and new 

 phil'y, 331; treatise on magnet, 

 326. 



Bacon, Roger, 160; on Peregrinus, 

 165. 



Bailak Kibdjaki, no; on mag. 

 rocks, 100. 



Bak tribes in China, 63. 



Bandi, Countess, spont. combustion 

 of, 503- 



Barlowe, Dr. W., 316, 336, 337; con- 

 troversy with Ridley, 338; mag. 

 discoveries and relations to Gil- 

 bert, 340. 



Barometer, PicanTs luminous, 453. 



Battery, Franklin invents series, 

 556, 559; first electrical, 523. 



Beal, telegraphic predictions, .387. 



Beauvais, Vincent de, on magnet, 

 158. 



Bede, on magnet, 115. 



Bellerophon, suspended horse of, 46. 



Bell, Gordon invents elec., 507 ; 

 Schwenter's mag., 383. 



Bells, alleged lightning protection 

 by, 592. 



Belus, magnets in temple of, 29. 



Bercy, Hugo de, 157. 



Bernouilli, John, 455, 469. 



Betham, Sir W., 56. 



Betulae, 56. 



Bevis, Dr., imp'ts on Leydeu jar, 

 534, 555- 



Bible of Guyot de Provins, 152. 



Birds as guides at sea, 106, 113. 



Blanco, Andrea, map of, 197. 



Bleaching, elec. discovered by 

 Kriiger, 508. 



Bologna stone, 454. 



Bond on compass variation, 446. 



Bononian stone, 454. 



Boodt, De, disputes mag. teleg'h, 

 383; on lychnites, 43. 



Bose, George Matthias, 493; "beati- 

 fication," 498; electrical poem, 

 498; electrifies water jets, 499; 

 experiments, 495 ; ignites gun- 

 powder by elec'y, 497; invents 

 prime conductor and obtains 

 powerful discharges, 496; suggests 

 elec. origin of Aurora, 499. 



Bowdoin, correspondence with 

 Franklin, 585. 



Boy, Gray's exp'ts with suspended, 

 476. 



Boyle, Robert, 404 ; additions to 

 electrics, 419; compared with 

 Hooke, 427; correspondence with 

 American scientists, 425; corpus- 

 cular theory, 416; disputes Gil- 

 bert, 417; elec. and mag. theories, 

 415; electrical doubts, 421; Eve- 

 lyn's estimate of his character, 

 424; experiments, 420 ; first sci- 

 entific chemist, 414; not original 

 discoverer of elec. repulsion, 420; 

 observes mutual att'n of electrics 

 and rubber, 418; observes odor of 

 rubbed electric, 415; on mech'l 

 production of elec'y, 418; on Van 

 Helmont, 375; primary concepts, 

 415; sermonizing, 424; theory of 

 elec. repulsion, 419. 



Brand, discovers phosphorus, 454. 



Bremond on Mahomet's coffin, 47. 



Britain, magnet known in ancient, 

 114. 



Browne, Sir Thomas, 380; exp'ts on 

 mag. telegraph, 386; on garlic 

 myth, 143. 



Bruno, Giordano, 267, 333. 



BufFon, De, declares elec'y unripe 

 for fixed laws, 548; on Franklin's 

 exp'ts, 587. 



