Vol. 24. AUGUST 1887. No. 147. 



Published the First Bay of every Month. — Price Is. 6d. 



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PHILOSOPHICAL MAGAZINE, 



AJSTD 



JOURNAL OF SCIENCE. 



Being a Continuation of Tilloch's '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. 

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



FIFTH SERIES. 



N° 147.— AUGUST 1887. 



WITH FIVE PLATES. 

 Illustrative of Drs. W. Ramsay and S. Young's Paper on Evaporation 

 and Dissociation, and Mr. R. H. M. Bosanquet's on the Production 

 of Sudden Changes in the Torsion of a Wire by Change of Tempera- 

 ture. 



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