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Group photograph of six (6) employees at the Mount Wilson Observatory optical shop on Santa Barbara Street, Pasadena. In the photograph are three male and three female employees, all of whom are standing outside, in front of a white brick wall; presumably an exterior wall of the laboratory. The men are wearing neckties; two of the women are wearing dresses; one is wearing a long skirt. A large piece of corrugated sheet metal is on the ground behind the group. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.