I Trans. Acad. Sci. of St. Louis. 



Dr. Lnuncclot W. Andrews tUscussed 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 

 ni!ikin<i 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 Conmiittee 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. 



RrcordinK Secretary Samuel M. Coulter. 



Corresponding Secretary H. August Hunicke. 



Treasurer Enno Sander. 



