00736cam a2200265 a 4500 1668192 BD-DhUL 20150113152132.0 911024s1946 enka 000 0 eng 46020953 1668192 ANL eng ANL BD-DhUL TK6565.R3 H3 629.13251 HAR Hallows, R. W. (Ralph Watson), 1885- Radar : radiolocation simply explained / R. W. Hallows, foreword by F. A. Pile. 2nd ed. London : Chapman & Hall , 1950. 190 p. : ill, ; 18 cm. includes index. Radar. Pile, F. A. ddc BK ANL 621.3848 HAL 30333 30333 0 0 ddc 0 629_132510000000000_HAR 0 NFIC 57413 DUSL DUSL GEN 2015-01-13 Purchased 629.13251 HAR 54772 2015-01-13 2015-01-13 BK