L 
ELectTRICcITY. 
, heat and magnetism, on the 
connection of, J. F. Dana, vi, 
163.! 
——, thermo-,see Thermo-Electri- 
cily. 
, Galvanic battery, BE. de Butts, 
vill, 271.£ 
of carbon, xxxix, 132. 
, B. Silliman, 
Jr., xliii, 893; xliv, 180.f 
, Crosse’s, some ac- 
count of, xxxil, 372. 
aiDey la Rave’ ss-—v, 
395. 
— , dry, xii, 195; xvii, 
162. 
—+='-—_—,, Grove’s, . xxxviil, 
116. 
——S Ss 
, experiments 
with, S. F. B. Morse, xlv, 
390.! 
—— 
, R. Hare’s new mod- 
ifications of, iii, 105.f 
calorimotor, 1, 
4135 v, 94, 357, 364 ; vi, 337 ; 
XXxil, 284.t 
Bedabre tone 
201; v, 94; vi, 387; 
Vite GO's) 1X, GUST ; 
105f ; iv, 
vil, 347! ; 
xl, 48. 
——— 
, Improv- 
ed form of, M. Faraday, xxxii, 
170. 
t , combining the 
advantages of the trough of 
Cruikshank with the deflagra- 
tor, xxxii, 285.f 
of great power, F. 
W. de Moleyns, xliv, 357. 
, J. Henry, ona spark 
from a long conductor uniting 
the poles of, xxvili, 827. 
—— ——, ——, action of a 
spiral conductor, xxviii, 329. 
, C. G. Page, on iron 
or any metal a substitute for 
copper, xxxil, 197. 
; , on the benefit 
of fresh immersion, xxxvi, 
137.f 
——— 
76 
ELE 
ELEcTRICITY. 
Galvanic battery, W. B. and H. 
D. Rogers, experimental en- 
quiry into some of the laws of, 
xxvil, 09.f 
i , relative influ- 
ences of the zinc and copper, 
xxvil, 41. 
———., examination of 
Ritchie’s law of surface, xxvii, 
53. 
of 
; , Influence 
temperature, xxvil, 57. 
, J. B. Rogers. and 
J. Green, ibid, xxviii, 33. 
; , relative im- 
portance of the zinc and cop- 
per, Xxvill, 34. 
3 , relative dis- 
tance of the plates, xxviii, 39. 
, —-—, deflecting pow- 
er from different menstrua, 
xxvill, 40. 
, W. Sturgeon, differ- 
ence in the effects of the two 
polar wires, xxxix, 31.f 
, Watkins’ dry, xvii, 
162. 
blasting, R. Hare, xxi, 139 ; 
xxvl, d02f; xxxvili, 188. 
, H. K. G. Morgan, 
XXXVIII, do. 
calorimotor, Hare’s,i, 413°; 
v, 94, 357, 364; vi, 3387; 
Xxxli, 284.f 
, for galvano-ignition 
apparatus, R. Hare, xxxii, 
284.f 
circle, theory of, T. Gra- 
ham, xxxviil, 117. 
currents, caloric a cause of, 
J. P. Emmet, xxv, 269. 
—— ——,remarks on, 
199.f 
XVIll, 
and sparks from the 
horse-shoe magnet, J. P. Em- 
met, xxiv, 78.f 
deflagrator, Hare’s, iii, 105!; 
iv, 201; v, 94; vi, 3375 vii, 
347f: viii, 99; ix, 1815 xl, 
48, 
