Herbert Philipp examining a high vacuum tube used in measuring the photoelectric emission from germanium crystals.
Monday, February 13, 2017, 5:00 pm EST
Chemical Heritage Foundation (Philadelphia, PA)
Thursday, February 9, 2017, 6:00 pm EST
Wednesday, February 8, 2017, 6:15 pm EST
Tuesday, February 7, 2017, 11:30 pm EST
New York University (New York, NY)
Tuesday, February 7, 2017, 6:00 pm EST
Monday, February 6, 2017, 8:30 pm EST
University of Pennsylvania (Philadelphia, PA)
Friday, February 3, 2017, 5:00 pm EST
Thursday, February 2, 2017, 6:00 pm EST
Wednesday, February 1, 2017, 11:30 pm EST
New York Academy of Medicine (New York, NY)
Tuesday, January 31, 2017, 11:00 pm EST
New York Academy of Medicine (New York, NY)
© 2026 Consortium for History of Science, Technology and Medicine | Copyright Infringement