09.
_Law of_ conduction, new, 380, 394, 410.
---- magneto-electric induction, 114.
---- volta-electric induction, 26.
_Lead_, chloride of, electrolysed, 794, 815.
----, fluoride of, conducts well when heated, 1340.
----, iodide of, electrolysed, 802, 818.
----, oxide of, electrolysed, 797.
_Leyden jar_, condition of its charge, 1682.
----, its charge, nature of, 1300.
----, its discharge, 1300.
----, its residual charge, 1249.
_Light_, polarized, passed across electrolytes, 951.
----, _electric_, 1405, 1445, 1560, _note_.
----, ----, spark, 1406, 1553.
----, ----, brush, 1425, 1444, 1445.
----, ----, glow, 1526.
Lightning, 1420, 1404, 1641.
_Lines of inductive force_, 1231, 1304,
---- often curved, 1219, 1224, 1230.
----, as shown by the brush, 1449.
----, their lateral relation, 1231, 1297, 1304.
----, their relation to magnetism, 1411, 1658, 1709.
Liquefaction, conduction consequent upon, 380, 394, 410.
Liquid bodies which are non-conductors, 405.
Local chemical affinity, 947, 959, 961, 1739.
_Machine_, electric, evolution of electricity by, 1748.
------, magneto-electric, 135, 154, 158, 1118.
_Magnelectric_ induction, 58.
----, collectors or conductors, 86.
_Magnesia_, sulphate, decomposed against water, 494, 533.
----, transference of, 495.
_Magnet_, a measure of conducting power, 216.
---- _and_ current, their relation remembered, 38, _note_.
---- ---- plate revolved together, 218.
---- ---- cylinder revolved together, 219.
---- revolved alone, 220, 223.
---- and moving conductors, their general relation, 256.
---- made by induced current, 13, 14.
----, electricity from, 36, 220, 223.
_Magnetic_ bodies, but few, 255.
----, curves, their inductive relation, 217, 232.
---- _effects of_ voltaic electricity, 277.
---- ---- common electricity, 288, 367.
---- ---- magneto-electricity, 27, 83, 345.
---- ---- thermo-electricity, 349.
---- ---- animal electricity, 354.
---- and electric forces, their relation, 118, 1411, 1653, 1658, 1709,
1731.
---- forces active through intermediate particles, 1663, 1710, 1729, 1735.
---- _forces of the current_, 1653.
---- ---- very constant, 1654.
---- deflection by common electricity, 289, 296.
---- phenomena of Arago explained, 81.
---- induction. _See_ Induction, magnetic.
---- _induction through_ quiescent bodies, 1712, 1719, 1720, 1735.
---- ---- moving bodies, 1715, 1719.
---- and magneto-electric action distinguished, 138, 215, 243, 253.
_Magnetism_, elect
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