o PL q 



•J 5 



PROCEEDINGS 



OF THE 



QUEKETT MICROSCOPICAL CLUB. 



At the meeting of the Club held on March 17th. 1905, Dr. E. J. 

 Spitta, F.R.A.S., F.R.M.S., etc., President, in the Chair, the 

 minutes of the meeting held on February 17th were read and 

 confirmed. 



Messrs. D. L. Chapman, F. Dean, W. Clemence, F. Smith, 

 A. Goldsbrough, D. G. Paine, W. J. Phipps and A. Jane were 

 balloted for and duly elected members of the Club. 



Mr. Rheinberg read a description of an " Experimental Proof 

 that the Doubling of Lines in the Abbe Experiments is not due 

 to the Diaphragms above the Objective." The experiment was 

 shown by means of an Abbe demonstration microscope, and 

 further explained by blackboard illustrations. 



Mr. Rheinberg also read a paper upon the published work of 

 the late Professor Abbe, it being a translation of a detailed 

 review by Professor H. Ambronn of Gesammelte Abhandlungea 

 von Ernst Abbe. A hearty vote of thanks was accorded to 

 Mr. Rheinberg for his communications. 



The President announced the death of Mr. J. Slade, who had 

 been a member of the Club since 1866, and in former years had 

 served for a considerable time upon the Committee. 



At the meeting of the Club held on May 19th, 1905, Dr. E. J. 

 Spitta, F.R.A.S., F.R.M.S., etc., President, in the Chair, the 

 minutes of the meeting held on March 17th were read and 

 confirmed. 



