Bell telephone magazine (1922) (14569747628)

Identifier: belltelephonemag13amerrich (find matches)

Title: Bell telephone magazine

Year: 1922 (1920s)

Authors: American Telephone and Telegraph Company American Telephone and Telegraph Company. Information Dept

Subjects: Telephone

Publisher: (New York, American Telephone and Telegraph Co., etc.)

Contributing Library: Prelinger Library

Digitizing Sponsor: Internet Archive

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ved unduly expensive. In manycases, however, local telephone companies already had circuitsrunning to the points of origin, as well as to the broadcastingstudios, and the necessary circuits could frequently be pro-vided by connecting two such circuits to form a continuouslink between point of origin and radio station. Meanwhile, it had become apparent to the executives andengineers of the American Telephone and Telegraph Company,the headquarters company of the Bell System, that the devel-opment of radio telephony, and its quite obvious usefulness forthis new form of communication, imposed upon the Bell Systemwhat was nothing less than an obligation to apply to its devel-opment the accumulated experience of years of research in thefield of wire telephony. Much that had been learned during the development of atelephone system which by this time was nation-wide in itsreach would, obviously, be invaluable in the development of 76 NETWORK BROADCASTING ,cheno:taoyJ , -^>boston PROVIDENCe

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In 1924 It Was Considered a Major Accomplishment when Bell System WiresConnected R.^dio Stations in Twelve Cities for Bro.\dcasting the ProceedingsOF THE Republican National Convention. radio telephony, both for point-to-point transmission and forbroadcasting. The Bell Systems intensive study of the char-acteristics of sound, and particularly of speech sounds; itsresearch directed toward ascertaining the best methods oftransforming these sounds into electrical impulses and trans-mitting them clearly over greater and greater distances; itsdevelopment of apparatus for amplifying telephone currentswhich had lost strength, due to attenuation, while travelingover these long stretches of wire—this and a vast amount ofother information had been accumulated during more than halfa century of telephone development. In a peculiar and verytrue sense, the Bell System held this information as trustee, andwas under the definite obligation of utilizing it in any field ofcommunication in which it mi

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1934 maps of the united states bell telephone magazine 1934 bell telephone magazine maps communication maps radio networks in the united states book illustrations bell telephone company telephone american telephone and telegraph company history of technology telephony

1922

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