618 General Monthly Meeting [Feb. 3, 



GENERAL MONTHLY MEETING. 



Monday, February 3, li)13. 



His Grace The Duke of Northumberland, K.G. P.C. D.C.L. 

 LL.D. F.R.S., President, in the Chair. 



Edward G. Acheson, Esq. D.Sc. 

 Mrs. Ethel Norman Thompson, 



were elected Members of the Royal Institution. 



The Special Thanks of the Members were returned to Mr. G. H. 

 Griffin for his Donation of £21 to the Fund for the Promotion of 

 Experimental Research at Low Temperatures. 



The Honorary Secretary announced the decease on January 5, 

 1913, of Louis Paul Cailletet, and on December 7, 11)12, of 

 Sir George Darwin ; and the following Resolutions, passed by the 

 Managers at their Meeting held this day, were read and unanimously 

 adopted : — 



Resolved, That the Managers of the Royal Institution desite to record (at 

 this their first Meeting since his decease) their sense of the loss sustained by 

 the Institution and the Scientific World in the decease of Louis Paul 

 Cailletet, Membre de I'lnstitut, Officier de la Legion d'Honneur, Officier de 

 rinstruction Publique, and an Honorary Member of the Royal Institution. 



He was celebrated for his important investigations on the laws and pro- 

 perties of gases when highly compressed, and he succeeded in forming a 

 liquid mist of the hitherto permanent gases. 



The early work of Professor Cailletet was devoted to Metallurgy, and the 

 scientific investigation of the principles of steel manufacture, and the 

 phenomena of cementation and puddling. His work on the theory of 

 smelting led to the analyses of the gases occluded in iron. 



The Managers of the Royal Institution desire to convey to the family the 

 expression of their most sincere sympathy in their bereavement. 



Resolved, That the Managers of the Royal Institution desire to record (at 

 this their first Meeting since his decease) their sense of the loss sustained by 

 the Institution and the Scientific World in the decease of Sir George Howard 

 Darwin, K.C.B. LL.D. D.Sc. F.R.S., Plumiau Professor of Astronomy and 

 Experimental Philosophy in the University of Cambridge. 



Sir George Darwin has been on the list of Members for forty-three years, 

 and has been a ]Manager of the Institution. 



He delivered two Friday Evening Discourses — one on " Meteorites and the 

 History of the Stellar Systems," in 1889, and another on "Sir William 

 Herschel," in 1912, and also the Tyndall Lectures in 1903, on "The Astro- 

 nomical Influence of the Tides." Sixty six of his papers up to date have been 

 published in four volumes by the Cambridge University Press, forming a 

 valuable record of his scientific labours. In 1897 he delivered a course of 

 lectures at the Lowell Institute, Boston, which were published in the following 



