238 



SECTIONS.— -INDEX OF SUBJECTS. 



Electrical force, Sir W. S. Harris on, 1860, 

 28. 



forces, E. Hunt on the influence of 



actinism in disturbing, 1846, 29. 



" frequency," Prof. W. Thomson on, 



1869, 26. 

 — — images, Prof. W. Thomson on, 1847, 6. 



indications during day thimder- 



storms, Prof. W. Thomson on, 1860, 54. 



— — light, Prof. Wheatstone on the pris- 

 matic decomposition of, 1835, 11. 



— — machine, new, J. Nott on a, 1843, 15. 



— — phenomena in vacuo, Mr. Potter on, 

 1831-32, 84. 



•—— phenomena in the United States, 

 Prof. Loomis on, 1857, 32. 



' potentials and capacities, on new in- 

 struments for measuring, by Prof. W. 

 Thomson, 1855, 22. 



— — repulsion, Sir W. S. Harris on, 1836, 

 19. 



researches, by Prof. Henry, 1837, 22. 



■ transfer, on the apparent mechanical 

 action accompanying, by Mrs. Crosse, 



1855, 55. 



■ vacuum-tubes, Prof. W. B. Eogers on 

 the phenomena of, 1860, 30. 



Electricity, Eev. J. Gt. MacYicar on, 1833, 



390- 

 , C. J. Kennedy on the theory of, 1840, 



24. 



, atmospheric, A. Crosse on, 1836, 48. 



, atmospheric. Prof. W. Thomson on, 



I860, 53. 

 of the atmosphere, J. Nott on the, 



1843, 15. 

 of the atmosphere, Prof. Wheatstone 



on Prof. Quetelet's investigations relating 



to the, 1849, 11. 

 , atmospheric, on Bellman's method 



of observing, by Prof. W. Thomson, 



1856, 17. , 



, atmospheric, on the necessity for in- 

 cessant recording, and for simiiltaneous 

 observations in different localities, for 

 the investigation of, by Prof. W. Thom- 

 son, 1859, 27. 



, atmospheric, on the detection and 

 measurement of, by M. J. Johnson, 1855, 

 40. 



of the atmosphere, instnunent for 



measuring, 1837, 38. 



— — , common and atmospheric, Dr. T. 



Andrews on the polar decomposition of 



water by, 1855, 46. 

 , current, W. Petrie on the dynamic 



equivalent of, and on a fixed scale for 



electromotive force in galvanometry, 1850, 



185. 

 , dynamic, on the correlation of, and 



the other physical forces, by L. Soret, 



1857, 16. 



, statical, W. Thomson on the elemen- 

 tary laws of, 1845, 11. 



, voltaic and ordinary, J. Goodman on 



the cause of dissimilarity of the, 1842, 18. 



Electricity, vdltaic and ordinary, light, and 

 heat, J. Goodman on the analogy of the 

 existences or forces, 1844, 11. 



— -, light, heat, magnetism, and gravita- 

 tion, on the identity of the existences or 

 forces of, by J. Goodman, 1848, 53. 



and heat, on the application of, as 



moving powers, by W. Petrie, 1850, 

 183. 



and heat, Sir G. C. Haughton on the 



antagonism of, and on the singleness of 

 the electric fluid, with remarks on con- 

 duction and induction, 1847, 27. 



— — and heat, on an analogy between, by 

 Eev. Prof. Chevallier, 1855, 10. 



, F. C. Bakewell on the conduction of, 



through water, 1851, 6. 



, on its transmission through water, by 



J. B. Lindsay, 1859, 13. 



, on the cause of the transmission of, 



along conductors generally, by Eev. T. 

 Exley, 1853, 38. 



, W. E. Grove on the conduction of, 



by flame and gases, 1853, 42. 



of high-pressure steam, W. Armstrong 



on the, 1843, 39. 



, W. G. Armstrong on some pheno- 

 mena attending the production of, by 

 steam, 1845, 30. 



of high intensity, Eev. Prof. M^^Gaulejy 



on electro-magnetic apparatus for the pro- 

 duction of, 1837, 24. 



of tension in the voltaic battery, J. P. 



Gassiot on the, 1846, 47. 



, Prof. Henry's investigations to detect 



an inductive action in, 1837, 22. 



, Prof. W. Thomson on certain mag- 

 netic ciu*ves with application to the theory 

 of, 1852, 18. 



, W. H. Barlow on the existence of 



alternating diurnal currents of, at the 

 terrestrial surface, and their connexion 

 with the diurnal variation of the mag- 

 netic needle, 1847, 21. 



of the copper vein in Huel Jewel 



mine, E. W. Fox on the, 1834, 572. 



, application of the proof plane and 



torsion balance to, 1835, 18. 



, W. Black on its influence on the pro- 

 cess of brewing, 1837, 58. 



Electrified spherical conductors, Prof. W, 

 Thomson on the mutual attraction be- 

 tween two, 1852, 17. 



Electro-chemical action, E. Hunt on, 1844, 



35- 

 decomposition, Professor Faraday on, 



1833, 393. 

 researches, new, by Prof. Schonbein, 



1839, 31. 

 Electrodes, polarized, on the influence of 



light on, by W. E. Grove, 1858, 17. 

 of a voltameter, Eev. Dr. Eobinson on 



the influence which finely divided platina 



exerts on the, 1846, 46. 

 Electro-dynamic induction machine, Eev. 



Prof. Callan on the, 1857, 11. 



