00776nam0-22002891i-450-99000049275040332120080418104631.0000049275FED01000049275(Aleph)000049275FED0100004927520020821d1913----km-y0itay50------baenga-------001yyWireless telegraphyC. L. FortescueCambridgeUniversity press1913143 p.ill.17 cmTelegrafia senza fili621.384 2Fortscue,C. L.491800ITUNINARICAUNIMARCBK99000049275040332110 E II 22491DINELDINELWireless telegraphy332968UNINA