Horace W. Babcock addressing seated guests at the dedication of the 60-inch telescope, Palomar Observatory. Babcock stands at a podium, inside the Oscar G. Mayer memorial building that houses the telescope. The unidentified guests are seated in chairs. The ladder to the interior balcony is seen in the background, to Babcock's left. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
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