Gilbert Chemistry Experiment Lab, No.12052, Photograph by Gregory Tobias.
Tuesday, February 28, 2012, 5:00 pm EST
Chemical Heritage Foundation, Brown Bag Lecture
Thursday, February 23, 2012, 9:30 pm EST
Center for the Study of Religion, Princeton University
Thursday, February 23, 2012, 9:30 pm EST
Penn Cultural Heritage Center
Thursday, February 23, 2012, 4:00 pm EST
Tuesday, February 21, 2012, 5:00 pm EST
Chemical Heritage Foundation, Brown Bag Lecture
Thursday, February 16, 2012, 11:30 pm EST
Hagley Library Research Seminar Series
Thursday, February 16, 2012, 11:00 pm EST
Philadelphia Area Seminar on the History of Mathematics, Villanova University
Wednesday, February 15, 2012, 5:00 pm EST
Barbara Bates Center for the Study of the History of Nursing, University of Pennsylvania
Monday, February 13, 2012, 11:00 pm EST
Wagner Free Institute of Science, American Philosophical Society, Chemical Heritage Foundation, Academy of Natural Sciences of Drexel University, The College of Physicians of Philadelphia
Thursday, February 9, 2012, 10:30 pm EST
Wagner Free Institute of Science
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