Image
Herbert Philipp examining a high vacuum tube used in measuring the photoelectric emission from germanium crystals.
Friday, March 4, 2022, 12:00 pm EST
Thursday, March 3, 2022, 6:00 pm EST
American Philosophical Society
Thursday, March 3, 2022, 12:00 pm EST
Wednesday, March 2, 2022, 6:00 pm EST
Wednesday, March 2, 2022, 12:00 pm EST
Tuesday, March 1, 2022, 11:00 am EST
Tuesday, March 1, 2022, 12:00 am EST
Science History Institute
Monday, February 28, 2022, 8:30 pm EST
University of Pennsylvania
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Harvard University
Monday, February 28, 2022, 11:00 am EST
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