Date: | 1935 |
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Description: | The entrance to Yerkes Observatory. Caption reads: "Entrance, Yerkes Observatory, University of Chicago, at Williams Bay, Wis." |
Date: | 08 19 1948 |
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Description: | Text on front reads: "Telescope with 40 in. Lens, Largest in the World. Williams Bay on Lake Geneva, Wisconsin." On reverse: "The 40 inch telescope of the ... |
Date: | 1907 |
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Description: | Text on front reads: "The 40-inch telescope of the University of Chicago Yerkes Observatory, Williams Bay, Wisconsin. The object-glass has a diameter of 40... |
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