Herbert Philipp examining a high vacuum tube used in measuring the photoelectric emission from germanium crystals.
Wednesday, February 15, 2023, 10:00 am EST
Tuesday, February 14, 2023, 12:00 pm EST
Monday, February 13, 2023, 11:00 pm EST
Wagner Free Institute of Science
Monday, February 13, 2023, 11:00 pm EST
College of Physicians of Philadelphia
Monday, February 13, 2023, 8:30 pm EST
University of Pennsylvania
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Yale University
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Caltech
Saturday, February 11, 2023, 7:00 pm EST
Science History Institute
Saturday, February 11, 2023, 3:00 pm EST
Cold Spring Harbor Laboratory
Friday, February 10, 2023, 1:30 pm EST
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