INDEX. TI 



Electricity, (voltaic), effects of, on alcoliol, xiv. 232 



of a cat, instance of, xv. 163 



produced by pressure, 368. Developement of, by 



two pieces of the same metal, 369 

 on the employment of, in the treatment of calculous 



cases, xvi. 185. Instance of dumbness cured by, 187 

 connexion of phosphorescence with, xvii. 163. On 



the separation of parts, 162. Light produced by, ib. Ob- 

 servations on a reciprocity of insulating and conducting action, 

 that the incandescent platina of Davy exerts on the two elec- 

 tricities, 369. On the magnetic action of strong electrical 

 currents on different bodies, 372. Measurement of the con- 

 ductibilityof bodies for electricity, 376. Distinction of positive 

 and negative, 377. Produced by the congelation of water, ib. 

 observed during chemical action, 169. Distri- 



bution of in the voltaic pile, xviii. 171. Supposed electro- 

 magnetic light proved to have no existence, 172. Nature of 

 the electric current, 381. Electro-motive action of water on 

 metals, 382. On the electrical action produced by the contact of 

 flame and metals, 383. Phenomena of, accompanying com- 

 bustion, 384. On the electrical conducting power of melted 

 resinous bodies, 403 



" ■ electric flash producing lightning, notice of, xx. 172 



Electro-dynamic force, intensity of, xix. 147 

 Electro-magnetical motions, xii. 74, 184, 186, 283, 415 



«^_______ experiments, xiii. 161. xiv. 441. xv. 374 



I effect of lightning, 442 

 effects of alkalies, acids, and salts, xvi. 168- 



170. Experiments by Oersted, WoUaston, and Sebech, 342 

 Electro-magnetism, observations on the electro-magnetic multi- 

 plier of Schweigger, and on some of its applications, xvi. 

 123. Thermo experiments in, 126. Table of thermo-electrics, 



171. On thermo-electric rotation, 372. Phenomenon witlw 

 iron, 374 



on a new phenomenon of, xvii. 122. Electro- , 



magnetic multipliers, 161. Electro-motive action, produced 

 by the contact of metals and liquids, 374 



