Show ANNIHILATION TION OF SPACE FOR VOICE AIM OF PHONE PEOPLE Man Alan Ian Soon Will Be Bc Talk Talk- Talking Talking ing lug With Any Spot on Earth SO SOME lE DIFFICULTIES S Speech Amplified Billion Times In Re Recent Re- Re Recent cent Test J NEW EW YORK TORI March By 3 ByTho The rho Associated Complete Press Complete annihilation of ot space for tor the hu- hu human human hu human man voice vole Is the th ultimate aim of engineers of the American Tele- Tele Telephone Telephone Tele-phon Tele phone t Telegraph company now perfecting a commercial trans At trans trans-Al-lantic lantic telephone service They be- be believe llev be-llev lieve that ultimately man alan will be beable beable able to talk any two points on the face tace of the earth carth Then n a a secretary of the navy lit In may give erbal Hrbal erbal or ord- ord ordera ord orders 1 ers era to the tho commander c of or a a flEet fleetin fleetIn In Manila Bay Day a 0 banker In NewYork New NewYork NewYork York may discuss a II loan with his correspondent In lekin or a dying man In Cape Cap Town rown may breath his last words Into the th telephone mouthpiece and be heard by his family In Montreal ton real SOME SOIE DIFFICULTIES The Th chief difficulty still faced Is Ii interference said one telephone of official today who Is particularly In- In interested In Interested In the development of a Atlantic trans Atlantic service although steady progress ls Is made mad In It A drawback back Is the present Im- Im Impossibility Im Impossibility possibility of ot conversing by radio radiophone radiophone phone In secrecy Others are the tact fact that at op- op op opposite points on op the th earth business hours do not coincide and differ differ- differences once In languages Experiments Experiment have not gone KOnc one far r farenough enough nough to demonstrate what limi- limi limitation limi limitation tation distance Imposes nor what the construction of a II world wid world system of relay stations would COt colt TI TEBES ES GET TrOT HOTIn In the recent successful srul trans trans- transAtlantic trans Atlantic demonstration the voice was stepped up d one onehundred hundred billion times One hun hun- hundred hun hundred dred kilowatts was used as corn com com compared pared to one half a 0 kilowatt use used l by the average averne broadcasting Mia Mia- eta llon tion Amplification was accomplished pushed with water cooled high pow pow- pow power er Cr vacuum tubes similar to thoR those u cd In ordinary broadcasting brot but h larger These were over two n feet reet long and radiated so much beat t that It was w os necessary to encase enca them In Inch four-Inch rubber hose through which a stream of cold wa a water ter was passed n |