Vol. 29. JANUARY 1890. No. 176. 



Published the First Day of every Month. 



THE 

 LONDON, EDINBURGH, and DUBLIN 



PHILOSOPHICAL MAGAZINE, 



AND 



JOURNAL OF SCIENCE. 



Being a Continuation of Tilloctis 'Philosophical Magazine' 

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



CONDUCTED BY 



SIR ROBERT KANE, LL.D. F.R.S. M.R.I.A. F.C.S. 

 SIR WILLIAM THOMSON, Knt. LL.D. F.R.S. <fcc. 



AND 



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



FIFTH SERIES. 



N° 17 6. -JANUARY 1890. 



WITH TWO PLATES, 



Illustrative of Prof. Carnelley's Paper on an Approximate Algebraic 

 Expression of the Periodic Law of the Chemical Elements, and II. 

 Nagaoea's on Transient Electric Currents produced by suddenly 



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