Radio Broadcast (May-Oct 1922)

RADIO BROADCAST 15 the radio telephone transmitter. At a stroke it eliminates all the troubles that seemed impossible of solution in the early days of the wireless telephone. Telephone engineers were not slow to see the numerous advantages and possibilities of the vacuum tube. They took the vacuum tube into their family circle, so to speak, and decided to rear it in a safe and sane manner. This they did, and the vacuum tube repaid them in ever so many ways. The trans-continental telephone line, the wired wireless system which makes possible a large number of telephone messages over the same set of wires simultaneously, the amplifying and distribution of a speaker's voice so that it can be heard by 50,000 persons at the place where he is talking or at some remote place or several remote places — these are all the contributions of the vacuum tube to the telephone engineers, repaying them handsomely for their interest in this device. THE VOICE THAT SPANNED THE ATLANTIC THE telephone engineers, let it be said, did more for the wireless telephone than could ever have been done by radio organizations of the early days, with their limited capital and facilities. Furthermore, the tele .4 ^^^^^^^ ,r^r-^ ^-^ NORTH o Atlanta 4CD G E 0 RG WCJ W6I 4G0. WQB WDN WJX WGY WDW WDT WBZ WiZ WJH WNO A.C.Gi!bert Co. American Radio Research Co. Carter Electric Co. C.DTiiSka Co. Churcli of the Convent De Forest Radio Co. General Electric Co. Radio Construction Co. Ship Owners Radio Service Westtnghouse Co. Westinghouse Co. White & Boyer Co. Wireless Telephone Co. . \ GENERAL BROADCASTING STATIONS ON THE ATLANTIC SEABOARD