"Construction of the Pennsylvania Ave. Subway, Philadelphia" Lantern slide used to illustrate an Engineering course on Railroads delivered by Samuel Tobias Wagner from 1895-1909 at the Wagner Free Institute of Science.
Thursday, April 16, 2015, 11:00 pm EDT
UPenn Bookstore
Thursday, April 16, 2015, 9:30 pm EDT
UPenn, Program in Visual Studies and History and Sociology of Science
Wednesday, April 15, 2015, 5:30 pm EDT
Wednesday, April 15, 2015, 5:00 pm EDT
Barbara Bates Center for the Study of the History of Nursing, Seminar Series
Tuesday, April 14, 2015, 11:30 pm EDT
College of Physicians of Philadelphia and Dittrick Medical History Center, Case Western Reserve University
Tuesday, April 14, 2015, 11:00 pm EDT
New York Academy of Medicine
Tuesday, April 14, 2015, 5:00 pm EDT
Chemical Heritage Foundation, Brown Bag Lecture Series
Tuesday, April 14, 2015, 4:45 pm EDT
Monday, April 13, 2015, 8:30 pm EDT
University of Pennsylvania, History and Sociology of Science, Speaker Series
Monday, April 13, 2015, 5:31 pm EDT
Columbia University
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