Williams Bay (Wis.)

George Hale
Attendees at Yerkes Observatory Conference
View of the 40-inch refracting telescope at Yerkes Observatory
William W. Morgan at the Bruce Telescope, Yerkes Observatory
Interior of the Yerkes Observatory heliostat room with its radiometer experiment
William Hiltner
The polar axis of the Yerkes Observatory 40-inch refractor being lowered into position
Williams Bay Domestic Science class at the Yerkes Observatory
Yerkes Observatory staff in August 1919
Members of the National Academy of Sciences visit Yerkes Observatory, November 18, 1903
Association of Midwest Astronomers with Yerkes Observatory Staff, May 22, 1925
American Association of Variable Star Observers at Yerkes Observatory, September 5, 1925
Yerkes Observatory staff in August 1915
Visit of Soviet Astronomers to Yerkes Observatory, November 1946
Yerkes Observatory staff in March 1938
Instrument builder Charles Ridell in the Yerkes Observatory shop, March 6, 1926
Chandrasekhar, Kuiper and Struve converse
Refractor Telescope at the Yerkes Observatory
Portrait of S. Chandrasekhar with Wife
The 40-inch Yerkes Observatory refracting telescope

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