00961nam0-22003251i-450-99000048459040332120071123094730.0000048459FED01000048459(Aleph)000048459FED0100004845920020821d1918----km-y0itay50------baenga-------001yyWireless telegraphy and telephonya handbook of formule, data and informationW. H. EcclesLondonThe Electrician printing and publishing[1918?]418 p.ill. (tav.)22 cm<<The >>electrician seriesRadiotelegrafo, senza fili621.384621.383Eccles,W. H.491672ITUNINARICAUNIMARCBK99000048459040332110 E II 26492DINELDINELWireless telegraphy and telephony332598UNINA