Hosmer, George L.
Practical astronomy : a textbook for engineering schools ana a manual of field methods / by Geotge L. Hosmer. - 4th ed. - New York : John Wiley, 1950. - xv, 357 p.: ill. ; 21 cm.
Includes index.
Astronomy.
520 / HOP
Practical astronomy : a textbook for engineering schools ana a manual of field methods / by Geotge L. Hosmer. - 4th ed. - New York : John Wiley, 1950. - xv, 357 p.: ill. ; 21 cm.
Includes index.
Astronomy.
520 / HOP