SUPPLEMENTARY NUMBER. 



fol.8. No 52, 



Published the First Day of every Month. — Price 2s. Qd. 



THE 

 LONDON, EDINBURGH, and DUBLIN 



PHILOSOPHICAL MAGAZINE, 



AND 



JOURNAL OF SCIENCE. 



Being a Continuation of Tilloclis 'Philosophical Magazine J 

 Nicholson's ' Journal f and Thomsons '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. &c. 



AND 



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



FIFTH SERIES. 



N° 52.— SUPPLEMENT. DECEMBER 1879. 



WITH A PLATE. 



Illustrative of Prof. S. P. Thompson's Paper on the Action of Magnets 

 on Mobile Conductors of Currents. 



This Supplement to Yol. VHI. is published with the regular Number 

 for December, and should be delivered with it to Subscribers. 



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