United States Naval Observatory

Zones Of Stars Observed At The United States Naval Observatory

Washington Observations.: 1863

Washington Observations.: 1876

Almanac Catalogue Of Zodiacal Stars

Tables To Facilitate The Reduction Of Places Of The Fixed Stars.

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Kolink OBSERVATORY MX Midi Tower Noir

Kolink OBSERVATORY MX Midi Tower Blanc

Zones Of Stars

Tables To Facilitate The Reduction Of Places Of The Fixed Stars

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Astronomical, Magnetic And Meteorological Observations Made At The United States Naval Observatory

Astronomical, Magnetic And Meteorological Observations Made At The United States Naval Observatory

Washington Observations.: 1876

Tables Of Instrumental Constants

Narrative Of The Second Arctic Expedition Made By Charles F. Hall