PROCEEDINGS. 
361 
Mr. F. W. Clarke described the exhibit of the Department of 
Mines and Mining and the favorable impression made by the 
American exhibit. 
Mr. H. W. Wiley gave an interesting account of the labors 
of the jury of alimentation and of the success of the American 
exhibitors of wines, brandies, and whiskies. 
Mr. J. F. Bancroft, of the U. S. Patent Office, discussed the 
exhibit of machinery, especially of shoe manufacturing machines 
and sewing machines. 
Mr. W. F. Willoughby, of the Department of Labor, de¬ 
scribed the exhibit in the Department of Social Economy, espe- 
pecially of the appliances used for ameliorating the condition of 
the laboring classes. 
Mr. M. A. Carleton, of the Department of Agriculture, gave 
an account of the very large exhibit of edible agricultural prod¬ 
ucts from the United States. He also discussed the relative 
value of the exhibits made by Canada, Russia, Algeria and Japan. 
524th Meeting. November 24, 1900. 
Vice-President Walcott in the chair. 
Twenty persons present. 
The election and qualification of Messrs. John W. Froley 
and Arthur L. Day were announced. 
• 
Mr. B. Pickman Mann read a paper on An attempted solu¬ 
tion of a social problem. It described a kind of tontine invest¬ 
ment scheme intended to make provision for old age, which has 
been in operation for several years on a limited scale. Remarks 
followed by the Chairman and Mr. Bigelow. [Not published in 
the form in which it was presented.] 
Mr. F. G. Radelfinger read a paper on Diverging series. 
The paper was discussed by Mr. Harris and the author. 
