October 6th, 1914.] PROCEEDINGS. 



111 



(i6mo., London, 1914), and "Subject List of Works on Sound 

 and Light... Library of the Patent Office" (New Series, GG — GP) 

 (i6mo., London, 1914), presented by the Library of the Patent 

 Office, London ; and "Reuben Gold Thwaites" by F. J. Turner 

 (f2tno., Madison, Wiss., 19 14), presented by the State Historical 

 Society of Wisconsin, Madison, U.S. \. 



The President referred with regret to the losses the 

 Society had sustained by the death of Mr. Thomas Kay, J. P., 

 Mr. Thomas Thorp, F.R.A.S., and Mr. R. B. Longridge, 

 M.I.Mech.E. Mr. Kay, who had been a member of the Society 

 for twenty-eight years, died on September 22nd last. Mr. Thorp, 

 who at the time of his death was a member of the Council, died 

 on June 13th. He was a Vice-President of the Society from 1908- 

 191 t, and a Member of the Council from 1904-1908 and 191 1- 

 1912. He made many communications at the Society's meetings. 

 Mr. Longridge, who at the time of his death was the oldest 

 member of the Society, having been elected in 1857, died on 

 August 4th. Mr. F. J. Faraday, F.L.S., a member of the 

 Society from 1 883-1 908, Secretary from 1 886-1 895, and the 

 author of many communications at our Meetings, died on 

 August 3rd last. 



An Exhibition of some Original Diagrams used 

 by Dalton was arranged. 



Mr. R. L. Taylor, F.C.S., F.I.C., drew attention to a 

 valuable and • interesting collection of original pen-and-ink 

 diagrams, used by Dr. John Dalton, which had been found in 

 the Society's possession. The collection consisted of about one 

 hundred and thirty drawings, the majority of which were in a 

 good state of preservation, and were apparently used by Dalton 

 in the illustration of his lectures and for general teaching pur- 

 poses. A number of them are reproduced in Dalton's "A New 

 System of Chemical Philosophy," and elsewhere. The uncer- 

 tainty in Dalton's mind as to the number of atoms present in 

 water, ammonia, carbon-dioxide, and other compounds is faith- 

 fully reflected in some of the diagrams, and his attempts to 



