Vol. 25. MAY 1888. No. 156. 



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THE 

 LONDON, EDINBURGH, and DUBLIN 



PHILOSOPHICAL MAGAZINE, 



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JOURNAL OF SCIENCE. 



Being a Continuation of Tilloch's 'Philosophical Magazine,' 

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



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 SIR WILLIAM THOMSON, Knt. LL.D. F.R.S. &c. 



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



Ih&) ^ — 



yfrlFTH SERIES. 



N° 156.— MAY 1888. 



WITH A PLATE. 

 Illustrative of Mr. C. V. Boys's Paper on Experiments with Soap-bubbles. 



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