Image
Herbert Philipp examining a high vacuum tube used in measuring the photoelectric emission from germanium crystals.
Tuesday, October 18, 2022, 3:00 pm EDT
Caltech
Tuesday, October 18, 2022, 2:00 pm EDT
Tuesday, October 18, 2022, 9:30 am EDT
Monday, October 17, 2022, 10:00 am EDT
Saturday, October 15, 2022, 3:00 pm EDT
American Philosophical Society
Friday, October 14, 2022, 1:30 pm EDT
Friday, October 14, 2022, 11:00 am EDT
Thursday, October 13, 2022, 10:00 pm EDT
American Philosophical Society
Thursday, October 13, 2022, 1:00 pm EDT
Thursday, October 13, 2022, 12:00 pm EDT
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