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Title: One of two photographs on separate mounts of the U.S. Naval [Go to resource]
Description: One of two photographs on separate mounts of the U.S. Naval Observatory, Washington in 1915 at its new site. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: black-and-white prints (photographs)
observatoriesSource: Science Museum Creator: Warner & Swasey Co. Identifier: 1915-587/1 Go to resource More Like this...
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