77, 917, 947, 961, 1031.
Ignition of wire by electric current, 853, _note_, 1630.
Improved voltaic battery, 1006, 1120.
Increase of cells in voltaic battery, effect of, 990.
Inducteous surfaces, 1483.
_Induction apparatus_, 1187.
----, fixing the stem, 1190, 1193, 1200.
----, precautions, 1194, 1199, 1213, 1232, 1250.
----, removal of charge, 1203.
----, retention of charge, 1205, 1207.
----, a charge divided, 1208.
----, peculiar effects with, 1233.
_Induction, static_, 1161.
----, an action of contiguous particles, 1165, 1231, 1253, 1295, 1450,
1668, 1679.
----, consists in a polarity of particles, 1298, 1670, 1679.
----, continues only in insulators, 1298, 1324, 1338.
----, intensity of, sustained, 1362.
----, _influenced by the_ form of conductors, 1302.
----, ---- distance of conductors, 1303.
----, ---- relation of the bounding surfaces, 1483.
----, charge, a case of, 1171, 1177, 1300.
----, exclusive action, 1681.
----, towards space, 1614.
----, across a vacuum, 1614.
---- _through_ air, 1217, 1284.
---- ---- different gases, 1381, 1395.
---- ---- crystals, 1689,
---- ---- lac, 1228, 1255, 1308.
---- ---- metals, 1329, 1332.
---- ---- all bodies, 1331, 1334.
----, _its relation to_ other electrical actions, 1165, 1178.
----, ---- insulation, 1324, 13602, 1368, 1678.
----, ---- conduction, 1320.
----, ---- discharge, 1319, 1323, 1362.
----, ---- electrolyzation, 1164, 1343.
----, ---- intensity, 1178, 1362.
----, ---- excitation, 1178, 1740.
----, its relation to charge, 1177, 1299.
---- an essential general electric function, 1178, 1299.
----, general results as to, 1295.
----, theory of, 1165, 1231, 1295, 1667, 1669.
---- _in curved lines_, 1166, 1215, 1679.
---- ----, _through_ air, 1218, 1449.
---- ----, ---- other gases, 1226.
---- ----, ---- lac, 1228.
---- ----, ---- sulphur, 1228.
---- ----, ---- oil of turpentine, 1227.
_induction, specific_, 1167, 1252, 1307.
----, _the problem_ stated, 1252.
----, ---- solved, 1307.
----, _of air_, 1284.
----, ----, invariable, 1287, 1288.
----, _of gases_, 1283, 1290.
----, ---- alike in all, 1292.
----, of shell-lac, 1256, 1269.
----, glass, 1271.
----, sulphur, 1275.
----, spermaceti, 1279.
----, certain fluid insulators, 1280.
_Induction of electric currents_, 6, 34, 232, 241, 1048, 1089, 1101, 1660,
1718.
----, on aiming the principal current, 10, 238, 1101.
----, on stopping the principal current, 10, 17, 238, 1087, 1100.
---- by ap
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