Henry Norris Russell, examining spectra, on a glass plate, in his office at the main office building, Santa Barbara Street, Pasadena (same image as #3355.) Russell is wearing a suit and tie, and eyeglasses. he is examining a glass plate at a light box on his desk. Books on bookshelves are visible to his left. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
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