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Monthly Archives: October 2016

lectures

From Star to Clock: Timekeeping at Ladd Observatory

October 21, 2016 Michael L Umbricht Leave a comment

A lecture about the history of timekeeping at Ladd Observatory. Presented at the Ladd Observatory 125th anniversary, October 21, 2016. Slides: From Star to Clock: Timekeeping at Ladd Observatory (PDF)

astronomyhistorytimekeeping

Michael L Umbricht

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Ladd Observatory
Department of Physics
Brown University

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