Unidentified man at the control desk of the 200-inch reflecting telescope, Palomar Observatory. Photo by Will Connell, 335 No. Berendo St., Los Angeles 4. The man is holding a device in his right hand, with his left hand on the control board itself. Dials, switches and meters are visible on the board. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
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