INDEX. 



Epicurus on attraction, 51. 

 Erasmus on ligurius, 42. 

 Eridanus, amber on shores of, 17. 

 Erigena founds scholasticism, 118. 

 Ether, Newtonian, 511. 

 Ethiopia, iron in, 22 

 Etruria, amber in, 15. 

 Etruscans, the, 59; design object 



like compass card, 60; genesis of, 



62; on lightning, 566. 

 Euclid, 44. 



Euripides, Oeneus of, 24. 

 Eustachius, 262. 

 Evax, 42. 

 Evelyn, John, 378, 407, 424. 



F. 



Fabri, Honore, 420. 



Fallopius, 262. 



Fanshawe, Lady, on Digby, 379. 



Fantis, Antonio de, 192. 



Faraday, and Gilbert, 293; efforts to 

 connect gravity and magnetism, 

 442; on Newton's lines of force, 

 442. 



Fathers of Church, on magnet, 90. 



Ferabosco, the, visits R. Society, 

 407. 



Ficino, Marsilio, mag. theory of, 

 240. 



Field of force, Descartes on, 359; 

 development of, 218; Dufay on, 

 483; Gilbert on, 272, 291; iron fil- 

 ings in, 50 ; Lucretius on, 48 ; 

 magnetic and electric, 434; Max- 

 well on, 440 ; Newton on, 440 ; 

 Peregrinus on, 172, 207; Porta on, 

 235; Sarpi on, 227. 



Figure-head, inv'n of the, 59. 



Finland, conquest of, 137. 



Finns, the, 59, 83; and Lapps, 139; 

 magic of, 138; superstitions con- 

 cerning, 139; use of compass by, 



.^39- 



Finno-Ugric family, 59. 



Fire, ancient records of atmos- 

 pheric, 568 ; electrical, 509 ; Ger- 

 mans regard elec'y as, 492. 



Flesh magnet, the, 159. 



Fludd, Dr. Robert, 375. 



Fluid theory of elec'y, Franklin's, 



544- 



Form, Aristotelian, 276, 282, 419. 

 Fountain, Desaguiliers' electrified, 



489. 

 Fracastorio, Jerome, amber theory 



of, 241; Gilbert's attitude toward, 



280; on mag. rocks, 204. 



France, condition of phys. science 

 in, in i/th cent'y, 452; Franklin's 

 exp'ts repeated in, 587; learned 

 societies in, 378. 



Franklin, Benjamin, 537; advises 

 Collinson of discharging effect 

 of points, 541 ; correspondence 

 with Colden, Bowdoin and Belch- 

 er, 585; electrical exp'ts on Ley- 

 den jar, etc., 543, 544, 545, 556, 

 558; on identity of lightning and 

 elec'y, 580; on points, 541; on 

 suspended scale pan, 582; experi- 

 ments repeated in France, 587; 

 invents plate condenser and series 

 battery, 556; kite experiment, 590; 

 lightning rod, 582; papers rejected 

 by R. Society and published by 

 Cave, 583; regards lightning as 

 fired sulphur, 575; retires to de- 

 vote himself to elec'y, 547; the- 

 ories of elec'y, 543, 576; theory 

 claimed by Watson, 552 ; uses 

 battery for curative purposes, 585. 



Fra Paolo, 224. 



Frederick I. of Prussia founds Ber- 

 lin Society, 490. 



Freke on identity of lightning and 

 elec'y, 571. 



Froude, on genius, 426. 



G. 



Gagates, the, 43, 126. 



Galen on amber, 52; on lodestone, 

 92. 



Galileo, abjuration of, 355; con- 

 demnation of, 356 ; correspond- 

 ence with Duke of Tuscany, 345; 

 experiments on magnet, 345; on 

 Gilbert's discoveries, 344-345; on 

 magnetic teleg'h, 385. 



Garlic, alleged effect on compass, 

 143; Matthiolus on, 281. 



Garzoni, alleged mag. discoveries 

 of, 229. 



Gassendi, elec. theory of, 418. 



Geomancers, Chinese, 75. 



Germany, physical science in, 490, 

 492. 



Gibbon on Mahomet's coffin, 46. 



Gilbert, William, 258; amber at- 

 traction of water, 310; amber 

 questions, 295; and Aristotle, 270, 

 275; and Barlowe, 340; and Guer- 

 icke, their mag. theories com- 

 pared, 393; and Kouopho, 311; 

 attitude to predecessors, 279; au- 

 thorities quoted by, 2^0. 



