Proceedings. 97 



ing the boundaries of human knowledge in the future as it 

 has been in the past." 



In answer to one of the members, Mr. WlLDE said that 

 the electricity from the Corporation mains could be rendered 

 suitable by means of an induction coil for the ozonizing of 

 oxygen for bleaching purposes. 



Special interest was manifested by the members in 

 Mr. Wilde's exhibition of a new line which he has observed 

 in the spectrum of thallium, and in experiments with 

 his " Magnetarium," to illustrate his theory of terrestrial 

 magnetism. 



