Originally published in 1906. This volume from the Cornell University Library's print collections was scanned on an APT BookScan and converted to JPG 2000 format by Kirtas Technologies. All titles scanned cover to cover and pages may include marks notations and other marginalia present in the original volume.

Contents
Ch. 1: Introductory
Ch. 2: Differences, Interpolation, and Development
Ch. 3: The Method of Least Squares
Ch. 4: Spherical Coordinates
Ch. 5: The Measure of Time and Related Problems
Ch. 6: Parallax and Related Subjects
Ch. 7: Aberration
Ch. 8: Astronautical Refraction
Ch. 9: Presession and Nutation
Ch. 10: Reduction of Mean Places of the Fixed Stars from One Epoch to Another
Ch. 11: Reduction to Apparent Place
Ch. 12: Method of Determining the Positions of Stars by Meridian Observations
Ch. 13: Methods of Deriving the Positions and Proper Motions of the Stars from Published Results of Observations