Seminary of American History and Institutions. The Meeting of the American Historical Association at Washington. Professor W. H. Siebert and Mr. O. G. Villard. University 20, 3.30 p. m.
Physical Colloquium. On the Light Emission of Metals at High Temperatures. Mr. C. E. St. John, late holder of the Tyndall Scholarship. Presented by Mr. H. Edwards. Jefferson Physical Laboratory, Room 24, 5 p. m.
Lecture on Social Problem. The Genesis of Social Classes. Dr. Frederick H. Wines, of Springfield, Ill. Sever 11, 7.30 p. m.
Open to the public.
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