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Title: One of two photographs showing a transit circle by Pistor an [Go to resource]
Description: One of two photographs showing a transit circle by Pistor and Martin at the U.S. Naval Observatory, Washington. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: transit circle
photographTemporal: 1876 Source: Science Museum Creator: United States Naval Observatory Identifier: 1876-373/1 Go to resource More Like this...
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