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Dr. A.J. Olmstead of the Smithsonian Institution, adjusts the only known example of a “Woodward Solar Camera” in Washington, D.C., October 24, 1944. The camera, manufactured between 1857 and 1877 was the first means available to commercial photographers to make enlargements on the then slow bromide paper, using the sun as a source of illumination. Miss Edna Billings of Racine, Wis., found the camera in a shed near her home while searching for metal for the nation's scrap drive. (Photo by Robert Clover/AP Photo)
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