40. 



JULY 1895. 



No. 242. 



Published the First Day of every Month, 



THE 

 LONDON, EDINBURGH, and DUBLIN 



HILOSOPHICAL MAGAZINE, 



AND 



JOURNAL OF SCIENCE. 



Uing a Continuation of TillocK s c Philosophical Magazine,* 

 Nicholson's 'Journal, and Thomson s l Annals of Philosophy.' 



CONDUCTED BY 



LORD KELVIN, LL.D. P.R.S. <fcc. 



GEORGE FRANCIS FITZGERALD, M.A. Sc.D. F.R.S. 



AND 



WILLIAM FRANCIS, Ph.D. F.L.S. F.R.A.S. F.C.S. 



FIFTH SERIES. 



N° 242.- JULY 1895. 



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WITH TWO PLATES. 



Illustrative of Profs. J. Dewar and J. A. Fleming's Paper on the 



Thermo-electric Powers of Metals and Alloys. 



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