CONTENTS.

Par. Series I. §. 1. Induction of electric currents 6 §. 2. Evolution of electricity from magnetism 27 §. 3. New electrical state or condition of matter 60 §. 4. Explication of Arago's magnetic phenomena 81 Series II. §. 5. Terrestrial magneto-electric induction 140 §. 6. Force and direction of magneto-electric induction generally 193 Series III. §. 7. Identity of electricities from different sources 265 ---- ---- i Voltaic electricity 268 ---- ---- ii Ordinary electricity 284 ---- ---- iii Magneto-electricity 343 ---- ---- iv Thermo-electricity 349 ---- ---- v Animal electricity 351 §. 8. Relation by measure of common and voltaic electricity 361 ---- Note respecting Ampère's inductive results after 379 Series IV. §. 9. New law of electric conduction 380 §. 10. On conducting power generally 418 Series V. §. 11. Electro-chemical decomposition 450 ---- ¶ 1. New conditions of electro-chemical decomposition 453 ---- ¶ 2. Influence of water in such decomposition 472 ---- ¶ 3. Theory of electro-chemical decomposition 477 Series VI. §. 12. Power of platina, &c. to induce combination 564 Series VII. §. 11.* Electro-chemical decomposition continued (nomenclature) 661 ---- ¶ 4. Some general conditions of Electro-chemical decomposition 669 ---- ¶ 5. Volta-electrometer 704 ---- ¶ 6. Primary and secondary results 742 ---- ¶ 7. Definite nature and extent of electro-chemical forces 783 ---- ---- Electro-chemical equivalents 822 §. 13. Absolute quantity of Electricity in the molecules of matter 852 Series VIII. §. 14. Electricity of the voltaic pile 875 ---- ¶ 1. Simple voltaic circles 875 ---- ¶ 2. Electrolytic intensity 966 ---- ¶ 3. Associated voltaic circles; or battery 989 ---- ¶ 4. Resistance of an electrolyte to decomposition 1007 ---- ¶ 5. General remarks on the active battery 1034 Series IX. §. 15. Induction of a current on itself 1048 ---- Inductive action of currents generally 1101 Series X. §. 16. Improved voltaic battery 1119 §. 17. Practical results with the voltaic battery 1136 Series XI. §. 18. On static induction 1161 ---- ¶ 1. Induction an action of contiguous particles 1161 ---- ¶ 2. Absolute charge of matter 1169 ---- ¶ 3. Electrometer and inductive apparatus 1179 ---- ¶ 4. Induction in curved lines 1215 ---- ---- Conduction by glass, lac, sulphur, &c. 1283 ---- ¶ 5. Specific inductive capacity 1252 ---- ¶ 6. General results as to the nature of induction 1295 ---- ---- Differential inductometer 1307 Series XII. ---- ¶ 7. Conduction or conductive discharge 1320 ---- ¶ 8. Electrolytic discharge 1343 ---- ¶ 9. Disruptive discharge 1359 ---- ---- ---- Insulation 1362 ---- ---- ---- as spark 1406 ---- ---- ---- as brush 1425 ---- ---- ---- positive and negative 1465 Series XIII. ---- ---- ---- as glow 1526 ---- ---- ---- dark 1544 ---- ¶ 10. Convection; or carrying discharge 1562 ---- ¶ 11. Relation of a vacuum to electrical phenomena 1613 §. 19. Nature of the electric current 1617 ---- ---- its transverse forces 1653 Series XIV. §. 20. Nature of the electric force or forces 1667 §. 21. Relation of the electric and magnetic forces 1709 §. 22. Note on electrical excitation 1737 Index Notes