November 1 2th, I go i?\ Proceedings. vii 



Mr. C. E. Stromeyer read a paper on " Explosions of 

 Steam Pipes due to Water-hammers." 



The paper was illustrated by the familiar experiment of 

 shattering a pipe by means of water-hammer, and by reproducing 

 in miniature the waves which are generated in water lodging in 

 long horizontal steam pipes. 



Messrs, J. J. Ashworth, E. G. Constantine, J. F. L. 

 Crossland, W, Ingham, M. Longridge, and Dr. Thomson took 

 part in the ensuing discussion. 



Mr. Edgar Stansfield, B.Sc, read a pai)er entitled, 

 " A Preliminary Note on the Preparation of Barium," 

 communicated by Mr. R. S. Hutton, M.Sc. 



Extraordinary General Meeting, November 12th, 1901. 

 Charles Eailey, F.L.S., President, in the Chair. 



Professor F. E. Weiss, B.Sc, F.L.S., was elected a member 

 of the Council. 



Mr. A. J. S. Bles, Merchant, Higher Broughton ; Miss 

 Caroline Coignou, Science Mistress at the Manchester High 

 School for Girls ; and Miss Edith M. Pratt, M.Sc, Research 

 Fellow at the Owens College, were elected ordinary members of 

 the Society. 



