00602nam a22002057a 4500 BD-DhUL 20140910161040.0 140910s1950 xxua|||| |||| 001 0 eng d BD-DhUL BD-DhUL 520 HOP 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. GBP 21.00 Includes index. Astronomy. ddc BK 9643 9643 0 0 ddc 0 520_000000000000000_HOP 0 NFIC 17067 DUSL DUSL GEN 1952-04-05 Purchased 520 HOP 65075 2014-09-10 2014-09-10 BK