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Show POCKET WIRELESS EASY TO MAKE LONDON. A walking stick, a telephone tele-phone receiver and contraption liko a book without loaves Is tho portable wireless receiving set of Captain Hyde A. Denlslhorpc of tho Royal Radio I Co. Tho set might easily bo dupllcat-I dupllcat-I ed by an American school boy amateur. ama-teur. With an aorlal hold abovo his head on the cane tho captain Is ablo to receive messages from Paris and England stations.' Ho varies tho "wave length," or adjustment of his instrument by opening and closing the book-cover devlco. Half-open he Is able to hear Paris, all the way opon, Nauon, Germany. In time of war, Captain Donisthorpo says, It would bo possible for soldiers in front lins trenches, cut off from wire communication, communi-cation, to rccehc orders by wireless. 1 |