1 Trans. Acad. Sci. of St. Louis. 



Dr. Launcelot W. Andrews discussed the problem of con- 

 tainers to be used in chemical processes and exhibited vessels 

 of fused quartz and of pure silicon upon which he had been 

 making critical tests. 



Mr. John Zellweger, Mr. F. W. Sultan and Dr. H. A. Geitz 

 were elected to membership. 



November 18, 1907. 



President Woodward in the chair; attendance, twenty-seven. 



Professor C. M. Woodward delivered an address entitled '^The 

 Mechanical Problems of the Air Ship." He discussed the me- 

 chanical principles involved in the lifting of the load by a pro- 

 peller, dwelling especially on the efficiency of propellers of 

 different sizes. 



December 2, 1907. 



President Woodward in the chair; attendance, one hundred 

 and thirty-five. 



Professor F. E. Nipher gave an illustrated address on ''The 

 Telegraphone." 



The following were elected to serve as a Nominating Committee 

 for the coming annual election of officers : — 



Dr. Charles D. Stevens (Chairman). 

 Dr. D. S. H. Smith. 

 Professor A. S. Langsdorf. 



December 16, 1907. 



President Woodward in the chair; attendance, thirty. 



The Nominating Committee presented the following report : — 



St. Louis, Mo., Dec. 16, 1907. 



To the Academy of Science of St. Louis: 



The Nominating Committee elected December 2, 1907, make 

 the following nominations for officers for 1908 : 



President Calvin M. Woodward. 



First Vice-President Arthur Thacher. 



Second Vice-President Launcelot W. Andrews. 



Recording Secretary Samuel M. Coulter. 



Corresponding Secretary H. August Hunicke. 



Treasurer Enno Sander. 



