Vol. 15. JUNE 1883. No. 96 



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, 

 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. J Ufy 



N° 96.— JUNE 1883. 



WITH TWO PLATES. 



Illustrative of Professors Ayeton and Peeey's Paper on winding Elec- 

 tromagnets. 



LONDON: 



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



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

 Co. ; and Whittaker and Co. ;— and by A. and C. Black, and Thomas Clark, Edin- 

 burgh ; Smith and Son, Glasgow : — Hodges, Foster and Co., Dublin : — Putnam, 

 New York : — and Asher and Co., Berlin. 



