TY - BOOK AU - Chauvenet,William TI - A manual of spherical and practical astronomy: a general problems of spherical astronomy, the special applications to nautical astronomy U1 - 522.2 PY - 1960/// CY - New York PB - Dover Publications KW - Spherical astronomy KW - Astronomical instruments KW - Least squares N1 - "Unabridged and unaltered republication of the fifth revised and corrected edition (copyright, 1891)"; Includes index; Vol. 1 Spherical astronomy.?v.2 Theory and use of astronomical instruments. Method of least squares ER -