00772nam0-2200265 --450 991016674420332120170329093614.020170329d1938----kmuy0itay5050 baengGB 001yyAdmiralty handbook of wireless telegraphyLondonHis Majesty's stationery office1938-v.26 cm1.: Magnetism and electricity2.: Wireless telegraphy theoryRadiotelegrafia621.384ITUNINARICAUNIMARCBK991016674420332113 B 57 0217474FINBC13 B 57 0317475FINBCFINBCAdmiralty handbook of wireless telegraphy108890UNINA