ELECTRICITY. 



laden. Electricity, phosphorescent ef- 

 , * fects of, 503 



magnetic effects of, 



504 

 effects of, on animal 



bodies, 505 

 effects of, on vege- 

 tables, 507 

 practical, 508 

 theoretical, 528 

 Electrics, table of, 429 

 Electro-vegetometer, Bertho- 



lon's, 507 



Electrometer, Nollet's, 521 

 Canton's, 521 

 Henley % quadrant, 



523 



Beimel's 521 

 Cavallo's, 522 

 Lane's, 521 

 Cuthbertson's, 523 

 Hobison's, 441 

 Coulomb's, 441, 450 

 Nicholson's, 522 

 Saussure's, ib. 

 Hauy's, ib. 

 Singer's, ib. 

 Brooke's, 523 

 Hauch's, ib. 



Electrophorus, Volta's, 515 

 Electroscope, aerial, DC Luc's, 



469 

 Ellicott's theory of electricity, 



419 



Evaporation, electricity produ- 

 ced by, 462 

 experiments of La- 

 place, Lavoisier, 

 snd Volta,462. 

 Saussure, 463 



Expansion produced by electri- 

 city, 496 

 Explosion, lateral, 437 



F 



Falling stars, 494 

 Fire balls, 494 



of St Klme, ib. 

 Fishes, electricity of, 472 

 Fogs, electricity of, 482 

 Forster on the electric column, 



471 

 Franklin's experiments, 416 



explanation of the 

 Leydcn phial, 417 

 explanation of nega- 

 tive and positive 

 electricity, 416 

 discovery of the iden- 

 tity of electricity 

 and lightning, 417 

 experiments on the 

 fusion of metals, 

 498 



experiment* on the 

 effects of electri- 

 city on magnet- 

 ism, 504 



Friction, electricity produced 

 by, 429 



G 



Gases dccompotcd by electrici- 

 ty. *>> 



Gaasendi's hypolhe*i, 412 

 Ga,v Lnsxac'* experiments on 



the torpedo, 474 

 Geoffroy on the anatomy of the 



torpedo, 476 

 of the silurus electri- 



cus 47!l 



Gilbert** ducovrries, 411 

 GlaM tears, electricity of, 467 

 -icsof fire, 491 



Gough on the perforation of 



paper, 495. 



Gray's discoveries, 413 

 Gunpowder inflamed by elec- 

 tricity, 498 

 Gymnotiu electricus, properties 



of, 477 



Williamson's experi- 

 ments on, ib. 

 Garden's, Dr, ib. 

 gives electric sparks, 

 478 



Hunter on the anato- 

 my of, ib. 



H 



Hauy on the electricity of me- 

 tals, 431 



on the electricity of mine- 

 rals, 456 



"s electrometer, 522 

 Hawksbce's discoveries, 413 

 Hemmer on the spontaneous 

 electricity of the human bo- 

 dy, 480 



Henley's experiments on cho- 

 colate, 461 

 quadrant electrometer, 



523 

 universal discharger, 



521 



Human body, spontaneous elec- 

 tricity of, 479 

 Humboldt's experiments on the 



torpedo, 474 

 Hunter on the anatomy of the 



torpedo, 474 

 of the gymnotus, 478 

 Hydrogen lamp, Volta's. 528 

 Hypothesis of Cataeus, 412 

 of Digtiy, ib. 

 of Gauendi, ib. 

 of Descartes, ib. 



I 



Jallabert's experiments, 423 

 Jar, Leyden, 435, 1.5 

 Ice, a non-conductor, 432 

 Impulsion of bodies by electri- 

 city, 494 



Inflammation of bodies by elec- 

 tricity, 497 

 Insulation explained, 432 



new system of, by Mr 



Singer, 522 



Ingenhousz's experiments on 

 the torpedo, 473 

 electrical machine, 

 614 

 K 



Kienmayer's experiments on 

 the fusion of me- 

 tals, 500 

 amalgam, 509 



Kinnersley's experiments, 423 

 on atmospherical elec- 

 tricity, 481 

 electrical air thermo- 

 meter, 528 

 Kite, electrical, 417, 516 



L 



Lamp, inflammable air, 528 

 Lane's electrometer, 521 

 Laplace, experiments of, 426 

 Lateral explosion, 437 

 Lavoisier, experiments of, 427 

 LeMonnier's experiment*, 417 

 on the electricity of Uic 



atmosphere, 481 

 Lfyden phial. 435, 5 13 



phenomena of, 436 

 Lichtenberg on the configura- 

 tions produced by 

 electricity, 496 



Lichtenberg's electrifying ma- 

 chine, 514 

 Light, electrical, 437 

 Lightning identical with elec- 

 tricity, 417 

 experiments of Buffon 



to prove this, 488 

 experiment* of Dali- 



bard, ib. 

 of Dclors, ib. 

 of Franklin, 417 

 of Richman, 420 

 of Romas, 489 

 form of its flashes, 490 

 different colours of, ib. 

 Lyncurium, 456 

 M 



Machine, electrical, 510 

 common, ib. 

 Priestley'*, 511 

 Nairne's, 510 

 Read's, 511 

 Beccaria's, ib. 

 Cuthbertson's, 512 

 Otto Guericke's, 511 

 Hawksbce's, 512 

 Wilson's, ib. 

 Watson's, ib. 

 St Julien's, 513 

 Musnier's, 513 

 Ingenhousz's, 514 

 Van Marum's, 513 

 Walckiers', 514 

 Rouland's, ib. 

 Lichtenberg's, 514 

 HaincPs 

 Pearson's, 511 

 Magnetism communicated by 



electricity, 504 



Marum, Van, on the electrici- 

 ty produced by melting resi- 

 nous bodies, 4(i2 

 Mazcas' experiments, 481 



electricity ol the atmo- 

 sphere, 481 



Medical electricity, 419 

 Mercury shaken in glaas ves- 

 sels emits light, 413 

 Mesotypc, electricity of, 460 

 Metals, electricity of, by fric- 

 tion, 431 



fusion of, by electrici- 

 ty, 497 

 revivified by electricity, 



501 



oxidated by electricity, 500 

 Meteors, luminous, electricity 



of, 492 



Mile's experiments, 418 

 Minerals, electricity of, 456 

 Mont Blanc, singular pheno- 

 mena observed upon it, 491 

 Mont Breven, singular pheno- 

 mena observed upon it, 491 

 Multiplier, Cavallo's, 527 



Wilson's, ib. 



Muvnier'a electrical machine, 

 513 



N 

 Nairne's electrical machine, 



510 



Negative electricity, 429 

 Newton's (Sir Isaac) experi- 

 ments, 413 

 Nicholson on the electric spark, 



437 



instrument for distin- 

 guishing two electri- 

 cities, 438 



'* revolving doubler, 

 526 

 spinning condenser, 525 



549 



Nollet's experiments, 418 

 on animals, ib. 

 on vegetables, ib. 

 theory of electricity, 



ib. > 



Non-conductors, list of, 433 

 Noya, Uucde, on the tourma 

 lin, 421, 456 



O 



Opaque bodies made transpa- 

 rent by electricity, 413 

 Otto Guericke's experiments, 



412 



electrical machine, 511 

 Oxidation of metals by electri- 

 city, 500 



Cuthbertson's experi- 

 ments on, ib. 

 Singer's experiment) on, 

 ib. 



P 



Paterson on the tetraodon, 479 

 Pearson, Dr, on the decompo- 

 sition of water, 401 

 Pearson's, Rev. Mr, electrical 



machine, 511 



Perforation of bodies by elec- 

 tricity, 4!)5 

 Phial, Leydcn, 435 

 Phosphorescence produced by 



electricity, 503 

 Pistol, electric, Volta's, 528 

 Pivati on medical electricity, 419 

 Planetary motions imitated, 440 

 Plate glass machines, 512 

 Points, influence of, 439 



explained, 5, 



542 



Poisson's researches, 545 

 Polarity of minerals, relation 

 between it and their se- 

 condary form, 4CO 

 of needles reversed by e- 



lectricity, 505 

 communicated to needles 



by electricity, ib. 

 Positive electricity, 429 

 Powders, electricity produced 

 by dropping ttu-m, 468 

 Cavallo'< experiments on, 



ib. 

 Bonnet's experiments on, 



ib. 

 Singer's experiments on, 



469 



Priestley's experiments, 424 

 on the tourmalin, 458- 

 electrical machine, 511 

 on the fusion of metals, 

 498 



R 



Read's observations on atmo- 

 spherical electricity, 485 

 on the negative electrici- 

 ty of vitiated air, 480 

 electrical machine, 511 

 thunder rod, 517 

 condenser, 525 



Repulsion, electrical, 433 540 

 law of, determined by 



Dr Robison, 440 

 by Coulomb, 442 

 Resinous bodies, electricity pro- 

 duced by melting them, 461 

 Revivification of metals from 



their oxides, 501 

 Ribbons, experiments on, 422 

 Richinan, Professor, killed by 



lightning, 420 



Robison's, Dr, experiments 42T ' 

 on the law of electrical 

 action, 441 



Index. 



