4.
Comparison of voltaic batteries, 1126, 1146.
_Conditions_, general, of voltaic decomposition, 669.
----, new, of electro-chemical decomposition, 453.
_Conducting power_ measured by a magnet, 216.
---- of solid electrolytes, 419.
---- of water, constant, 984.
_Conduction_, 418, 1320.
----, its nature, 1320, 1326, 1611.
----, of two kinds, 987.
----, preceded by induction, 1329, 1332, 1338.
---- and insulation, cases of the same kind, 1320, 1326, 1336, 1338, 1561.
----, its relation to the intensity of the current conducted, 419.
---- common to all bodies, 444, 449.
---- by a vacuum, 1613.
---- by lac, 1234, 1324.
---- by sulphur, 1241, 1328.
---- by glass, 1239, 1324.
---- by spermaceti, 1240, 1323.
---- by gases, 1336.
----, slow, 1233, 1245, 1328.
---- affected by temperature, 445, 1339.
---- by metals diminished by heat, 432, 445.
---- increased by heat, 432, 441, 445.
---- of electricity and heat, relation of, 416.
----, _simple, can occur in electrolytes_, 967, 983.
----, ---- with very feeble currents, 970.
---- by electrolytes without decomposition, 968, 1017, 1032.
---- and decomposition associated in electrolytes, 413, 676, 854.
---- facilitated in electrolytes, 1355.
---- _by water_ bad, 1159.
---- ---- improved by dissolved bodies, 984, 1355.
----, electrolytic, stopped, 380, 1358, 1705.
---- of currents stopped by ice, 381.
---- conferred by liquefaction, 394, 410.
---- _taken away by solidification_, 394, 1705.
---- ---- why, 910, 1705.
----, _new law of_, 380, 394, 410.
----, ----, supposed exception to, 691, 1340.
----, general results as to, 443.
Conductive discharge, 1320.
_Conductors_, electrolytic, 474.
----, magneto-electric, 86.
----, their nature does not affect the electric brush, 1454.
----, size of, affects discharge, 1372.
----, form of, affects discharge, 1374, 1425.
----, _distribution of electricity on_, 1368.
----, ----, _affected by_ form, 1374.
----, ----, ---- distance, 1364, 1371.
----, ----, ---- air pressure, 1375.
----, ----, irregular with equal pressure, 1378.
Constancy of electric current, 1618.
_Constitution of electrolytes as to_ proportions, 679, 697, 830, 1708.
---- liquidity, 394, 823.
_Contact of metals_ not necessary for electrolyzation, 879.
----, its use in the voltaic battery, 893.
---- not necessary for spark, 915, 956.
_Contiguous particles_, their relation to induction, 1165, 1679.
---- active in electrolysis, 1349, 1703.
_Convection_, 1562, 16
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