C.K.N. Patel with his experimental 'flowing gas' laser. The glowing tube contains nitrogen in which electrical discharge is taking place.
Thursday, March 14, 2013, 6:00 pm EDT
Wednesday, March 13, 2013, 10:30 pm EDT
Pennsylvania Hospital
Wednesday, March 13, 2013, 5:00 pm EDT
Tuesday, March 12, 2013, 4:00 pm EDT
Monday, March 11, 2013, 8:30 pm EDT
Department of the History and Sociology of Science, University of Pennsylvania
Thursday, March 7, 2013, 8:00 pm EST
Johns Hopkins Program in the History of Science, Medicine and Technology
Thursday, March 7, 2013, 4:45 pm EST
Wednesday, March 6, 2013, 10:00 am EST
Wednesday, March 6, 2013, 9:00 am EST
Tuesday, March 5, 2013, 5:45 pm EST
© 2026 Consortium for History of Science, Technology and Medicine | Copyright Infringement