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Matches in Harvard for { ?s ?p This album contains twenty-seven black and white photographs that depict a variety of dioptric lights created to illuminate lighthouses throughout the world. Chance Brothers & Co., a glassmaking firm located near Birmingham, England, produced the lights between 1869 and 1876. The company assembled the album in 1876 for Simon Newcomb, a noted 19th century American astronomer and mathematician, who was director of the United States Navy's Nautical Almanac Office.. }

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