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Show uo SECRECY. Marconi .succeeds in talking by wire-lees wire-lees 100 miles with absolute secrecy. He has some kind of radio device that virtually makes It impossible for any one lo "listen in ' Only a question of time, until new discoveries will give to radio commu nication all the privae of a prnie telephone line. Science is neglecting that side of w ;reless at present, and concentrating on broadcasiing It is a crafty piecn of scientific salesmanship, to make the ! radio Industry grow like asparagus For that purpose, ihe less secrecy the : better. Secrecy is the extreme opposite o) ! advertising on |