2 Proceedings. 



Mr. (subsequently Sir) Joseph Whitworth, Mr. James 

 Hey wood, Mr. R. P. Greg, Mr. Thomas Turner, Mr. G. R. 

 Stephenson, and other members ; a collection of the MSS. 

 of Sturgeon and Eaton Hodgkinson, and a manuscript 

 volume of lectures on chemistry by Mr. Thomas Henry, 

 one of the founders of the Society, presented in 1863 ; Dr. 

 Dalton's chemical apparatus, presented by Dr. William 

 Charles Henry, to whom the apparatus was bequeathed by 

 Dalton ; a portrait of Dr. Joule by G. Patten, A.R.A., pre- 

 sented by Mr. Binney and others in 1864, and a bust of Dr. 

 Dalton, presented by Mrs. Samuel Fletcher in the same 

 year ; the manuscript journals of Mr. George Walker, pre- 

 sented by Mr. B. H. Green in 1871, and a collection of 

 Dalton's MSS., presented by Dr. W. C. Henry in 1863 ; the 

 manuscript journals and other papers of Mr. Thomas Heelis, 

 F.R.A.S., presented by Dr. Crompton and Mr. John Heelis; 

 a bust of James Wolfenden, of Hollinwood, a noted mathe- 

 matician (B. 1754, D. 1 841), who calculated the first tide- 

 table for Liverpool in 1807, presented by Mr. Binney in 

 1873; a portrait of Dr. Percival, one of the first Presidents, 

 painted by Crozier, and presented by Mr. Francis Nicholson 

 in 1878 ; a portrait of Eaton Hodgkinson, painted by Duval, 

 and presented by Sir Thomas Fairbairn in 1878; a portrait 

 of Mr. Binney, painted by W. H. Johnston, and presented 

 by Dr. Joule in 1879 ! an ^ medallion portraits of Mr. and 

 Mrs. G. Walker (the former one of the founders of the 

 Society), presented by members of the Council in 1883. 



Mr. Faraday stated that he had compiled this list from 

 the records of the Society, and remarked that as it was 

 incomplete, it would be more interesting if other members 

 would supplement it. 



The following note " On Summer Lightning " was read 

 by the author, Professor ARTHUR SCHUSTER, F.R.S. : — 



" During a recent journey to Switzerland I happened to 

 be, late in the evening, at a considerable height on the 



