An Ephemeris Of The Planet Neptune (1846 - 1851) In Three Parts: With Occulations Visible In The United States During The Year 1851. [Ephemeris] for the Date of the Lalande Observations of May 8th and 10th 1795, and for the Oppositions of 1846, 1847, 1848, 1849 and for 1850 and 1851 As Appendices I, II and III and IV of Smithsonian Contributions to Knowledge, Volume 2
Walker, Sears C. and John Downes
From DogStar Books, Lancaster, PA, U.S.A.
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