Vol. 39. MAY 1895. No. 240. 



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



THE 

 LONDON, EDINBURGH, and DUBLIN 



PHILOSOPHICAL MAGAZINE, 



AND 



JOURNAL OF SCIENCE. 



Being a Continuation of Tilloclis l Philosophical Magazine,' 

 Nicholson's ' Journal f and Thomson's 6 Annals of Philosophy.' 



CONDUCTED BY 



LORD KELVIN, LL.D. P.R.S. (fee. 



GEORGE FRANCIS FITZGERALD, M.A. Sc.D. F.R.S. 



AND 



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



FIFTH SERIES. 



N° 240.— MAY 1895. 



WITH ONE PLATE. 



Illustrative of Mr. J. Eyeeshbd's Experiments on the Eacliation of 



Heated Gases. 



LONDON: 



PBINTED BY TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 



Sold by Simpkin> Marshall, Hamilton, Kent, and Co., Ld.; Whittaker and Co. ; 

 and by A. and C. Black ;— T. and T Olark, Edinburgh ; Smith and Son, 

 Glasgow: — Hodges, Figgis, and Co., Dublin: — Putnam, New York — Veure J. 

 Boy veau , Paris : — and Asher and Co., Berlin. 



