72.
---- of inductive apparatus divided, 1208.
----, residual, of a Leyden jar, 1249.
----, _chemical, for battery_, good, 1137.
-----, ----, weak and exhausted, 1042, 1143.
_Chemical action_, the, exciting the pile is oxidation, 921.
---- _superinduced by_ metals, 564.
---- ---- platina, 564, 617, 630.
---- tested by iodide of potassium, 315.
Chemical actions, distant, opposed to each other, 891, 910, 1007.
_Chemical affinity_ influenced by mechanical forces, 656.
---- transferable through metals, 918.
---- statical or local, 852, 921, 917, 959.
---- current, 852, 918, 947, 996.
_Chemical decomposition by_ voltaic electricity, 278, 450, 661.
---- common electricity, 309, 453.
---- magneto-electricity, 346.
---- thermo-electricity, 349.
---- animal electricity, 355.
----. _See_ Decomposition electro-chemical.
Chemical and electrical forces identical, 877, 918, 947, 960, 965, 1031.
_Chloride of_ antimony not an electrolyte, 690.
---- _lead_, its electrolysis, 794, 815.
---- ----, electrolytic intensity for, 978.
---- _silver_, its electrolysis, 541, 813, 902.
---- ----, electrolytic intensity for, 979.
---- tin, its electrolysis, 789, 819.
_Chlorides in_ solution, their electrolysis, 766.
---- fusion, their electrolysis, 789, 813.
Circle of anions and cathions, 963.
_Circles_, simple voltaic, 875.
----, associated voltaic, 989.
Circuit, voltaic, relation of bodies in, 962.
_Classification of bodies in relation to_ magnetism, 255.
---- the electric current, 823, 817.
Cleanliness of metals and other solids, 633.
_Clean platina_, its characters, 633, 717.
----, _its power of effecting combination_, 590, 605, 617, 632.
----, ----. _See_ Plates of platina.
_Coal gas_, brush in, 1460.
----, dark discharge in, 1556.
----, positive and negative brush in, 1476.
----, positive and negative discharge in, 1515.
----, spark in, 1422.
Colladon on magnetic force of common electricity, 289.
Collectors, magneto-electric, 86.
_Combination effected by_ metals, 564, 608.
---- solids, 564, 618.
---- poles of platina, 566.
---- _platina_, 564, 568, 571, 590, 630.
---- ----, as plates, 569.
---- ----, as sponge, 609, 636.
---- ----, cause of, 590, 616, 625, 656.
---- ----, how, 630.
---- ----, interferences with, 638, 652, 655.
---- ---- _retarded by_ olefiant gas, 640.
---- ---- ---- carbonic oxide, 645, 652.
---- ---- ---- sulphuret of carbon, 650.
---- ---- ---- ether, 651.
---- ---- ---- other substances, 649, 653, 65