Image
Herbert Philipp examining a high vacuum tube used in measuring the photoelectric emission from germanium crystals.
Monday, April 17, 2023, 7:00 pm EDT
Princeton University
Monday, April 17, 2023, 10:00 am EDT
Friday, April 14, 2023, 1:30 pm EDT
Friday, April 14, 2023, 11:00 am EDT
Thursday, April 13, 2023, 4:00 pm EDT
American Philosophical Society
Thursday, April 13, 2023, 1:00 pm EDT
Thursday, April 13, 2023, 12:00 pm EDT
Wednesday, April 12, 2023, 10:00 pm EDT
American Philosophical Society
Wednesday, April 12, 2023, 12:00 pm EDT
Wednesday, April 12, 2023, 9:30 am EDT
© 2026 Consortium for History of Science, Technology and Medicine | Copyright Infringement