Show DEVICE STOPS liSTENING f IN Beam System of Wireless to Be Put in Ocean Use Soon NEW YORK Aug Au 5 By By The Th Associated Press A Press A wireless trans trans- transmission transmission transmission mission system enabling photographs and complete messages to be tossed 1 across the ocean at a speed ten times Umes greater than any yet Attained will be placed in operation within a mont month between New York and London I The Radio Corporation Corp of ot Amer Amer- AmerIca AmerIca Ica lea has announced It t will Adopt th the beam or short wave we w e method now suc- suc successfully J used by the tile Marconi Marcon com com- company comI I I pany p ny In n England and expressed th the belief that within three years urs th the system will link Jink the worlds world's leading cities with radio radio communication on A facsimile basis The beam system differs from th the method of transmitting photographs photograph now in use In that it 11 uses a shorter short ware wa length eD and that listening in ini inIs i Is impossible The beam system uses a wave e length of cf from 15 to 30 meters while witHe the thelong thelong thelong long wave wa system now in use us oper oper- operates operates ates on to net peters rs The beam system has lias a a speed f equivalent to words a minute while the long wa wave e method has a maximum speed of ot about words a minute and only halt hall this speed d actually is attained In n commercial use Through the present method a 1 mes- mes rage tage to London is thrown to the world the impulses from the trans trans- transmitter transmitter transmitter mitter going simultaneously in n all di directions di- di directions directions but with the beam system the message mes ge can only be picked up at the point to which the beam is directed The beam system was de- de developed developed by the Marconi company com pan l and has been In n successful use for tor many months between England Can Can- Canada Canada Canada ada South Africa and Australia The Radio corporation has been experimenting with the system for tor several years and has developed Its hat own beam beaus apparatus differing some somewhat from that of Marconi Marcon |