Addresses from Sister Societies 287 



the founder of the simplest and the most profound elec- 

 trical theory now reviving as a fine flower in the scien- 

 tific field manured by the wonderful discoveries of the 



last years. 



President of the Physical Section, 



Professor N. Hesehus. 

 St. Petersburg, 



II (24) March, 1906. 



