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Start Over Formats Text ✖Remove constraint Formats: Text Subjects Astronomy ✖Remove constraint Subjects: Astronomy Titles Memoir of the founding and progress of the United States Naval Observatory ✖Remove constraint Titles: Memoir of the founding and progress of the United States Naval Observatory Publication Year 1873 ✖Remove constraint Publication Year: 1873

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  • Memoir of the founding and progress of the United States Naval Observatory1