00988cam a2200313 4500 2719428 BD-DhUL 20150113105359.0 870306s1947 enk 000 0 eng 48002428 (OCoLC)ocm15279273 (NNC)2719428 DLC BD-DhUL BD-DhUL TL695 .S55 629.13257 SMR Sm64 Smith, R. A. (Robert Allan), 1909- Radio aids to navigation. by R. A. Smith Cambridge [Eng.] University Press, 1947. xi, 114 p. : illus., maps. ; 22 cm. Modern radio technique "The material for this book was prepared in the first instance as a contribution to the Ministry of Supply (Air) Scientific war records." Radio in aeronautics. Radio in navigation. Radar. Modern radio technique. AUTH ddc BK 30125 30125 0 0 ddc 0 629_132570000000000_SMR 0 NFIC 57097 DUSL DUSL GEN 2015-01-13 Purchased 629.13257 SMR 49980 2015-01-13 2 2015-01-13 BK 0 0 ddc 0 629_132570000000000_SMR 0 NFIC 57100 DUSL DUSL GEN 2015-01-13 Purchased 629.13257 SMR 50336 2015-01-13 1 2015-01-13 BK