Geocentric armillary sphere, an astronomical tool that functions as a spherical astrolabe, featured in our collection of historical medical and scientific instruments.
Tuesday, November 17, 2026, 2:00 pm EST
Wednesday, November 18, 2026, 10:00 am EST
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Friday, November 27, 2026, 11:00 am EST
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Tuesday, December 1, 2026, 10:00 am EST
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American Philosophical Society
Thursday, May 14, 2026, 10:00 am EDT
Wednesday, May 13, 2026, 1:30 pm EDT
McGill University
Wednesday, May 13, 2026, 12:00 pm EDT
Wednesday, May 13, 2026, 9:30 am EDT
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