Vol.2. SEPTEMBER 1876. No. 10. 



Published the First Day of every Month. — Price 2s. 6d. 



THE 

 LONDON, EDINBUEGH, ahd DUBLIN 



PHILOSOPHICAL MAGAZINE, 



AJS'D 



JOURNAL OP SCIENCE. 



Being a Continuation of TillocKs '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. &c. 



AND 



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



FIFTH SERIES. U <£> 



N° 10.— SEPTEMBER 1876. 



WITH A PLATE, 

 Illustrative of Mr. S. P. Thompson's Paper on some Phenomena of 

 Induced Electric Sparks. 



LONDON: 



PRINTED BY TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET, 

 Printers and Publishers to the University of London. 

 Sold by Longmans, Green, Reader and Dyer ; Kent and Co. ; Simpkin, Marshall and 

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