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"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.
Monday, October 16, 2017, 10:30 pm EDT
Smithsonian Natinal Museum of American History (Washington, D.C.)
Monday, October 16, 2017, 4:00 pm EDT
Benjamin Orlove, Columbia UniversityUniversity of Pennsylvania (Philadelphia, PA)
Saturday, October 14, 2017, 1:00 pm EDT
University of Pennsylvania (Philadelphia, PA)
Friday, October 13, 2017, 3:30 pm EDT
History and Theory (inactive)
Consortium Working GroupFriday, October 13, 2017, 12:00 pm EDT
Early Modern Science
Consortium Working GroupThursday, October 12, 2017, 11:00 pm EDT
Dava SobelLinda Hall Library
Thursday, October 12, 2017, 10:00 pm EDT
Peter Stallybrass, University of PennsylvaniaWing Foundation Lecture Series on the History of the Book, Newberry Library (Chicago, IL)
Thursday, October 12, 2017, 10:00 pm EDT
Melanie A. Kiechle (Virginia Tech)Chemical Heritage Foundation (Philadelphia, PA)
Thursday, October 12, 2017, 10:00 pm EDT
Wagner Free Institute of Science (Philadelphia, PA)
Thursday, October 12, 2017, 8:45 pm EDT
Nancy Tomes, Stony Brook UniversityUniversity of Pennsylvania (Philadelphia, PA)
- Carnegie Mellon University
- Columbia University
- Harvard University
- Johns Hopkins University
- Library of Congress
- National Library of Medicine
- University of Manchester
- University of Pittsburgh