Mount Palomar Observatory, 1956

Caption slip reads: "Photographer: Lou Mack. Reporter: Christ Clausen. Date: 1956-04-04. Assignment: Mt. Palomar. 8 negs. give to Chris Clausen to identify. (Put on Hal Jensen's desk). L-36: John G. Bolton, Caltech director of radio astronomy, on platform of new radio telescope with 200-inch dome in background. L-3: Bolton standing on ladder, directs Temple Larabee, Caltech electrical engineer:.

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