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Telescope used for observing the transit of Venus, 1769.
Friday, October 1, 2021, 1:30 pm EDT
Friday, October 1, 2021, 12:00 pm EDT
Thursday, September 30, 2021, 10:00 pm EDT
American Philosophical Society
Thursday, September 30, 2021, 7:00 pm EDT
Johns Hopkins University
Thursday, September 30, 2021, 11:00 am EDT
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American Institute of Physics
Tuesday, September 28, 2021, 9:30 pm EDT
Columbia University
Tuesday, September 28, 2021, 2:00 pm EDT
Monday, September 27, 2021, 7:30 pm EDT
University of Pennsylvania
Monday, September 27, 2021, 11:00 am EDT
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