File:Bell telephone magazine (1922) (14776266653).jpg

Identifier: belltelephonemag08amerrich (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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they resemble ahuge wire net of irregular mesh. Behind the transmitting antenna is a second, sim-ilar arrangement, designed to reflect the voice wavesfrom the transmitting antenna, and to reinforce them.As the equipment is directional, the energy is thus fo-cussed toward the point it is to reach. At the sametime, each antenna can transmit on three different wavelengths, so that when all the channels are completedthey will be able to operate simultaneously without in-terfering with each other. ACADEMIC HONORS FOR A. T. AND T. CO.OFFICIALS On June 10th, President Walter S. Gifford receivedfrom Colgate University the honorary degree of Doctorof Laws. Oberlin College conferred upon Mr. Giffordthe honorary degree of Doctor of Science on June 18th. Vice President F. B. Jewett received the honorarydegree of Doctor of Science from the University ofChicago on June 11th. On June 18th, H. B. Thayer, former President, re-ceived from Dartmouth College the honorary degree ofDoctor of Laws. ( 252 )
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z ^ r^ S s: E -< Bell Telephone Quarterly A MEDIUM OF SUGGESTIONAND A RECORD OF PROGRESS Published quarterly for the Bell System by the American Telephoneand Telegraph Company Subtcrlptlon, $1.50 per year, in United Slate* and Canada; *ingle copie; SO centt Address all communications to INFORMATION DEPARTMENT AMERICAN TELEPHONE AND TELEGRAPH COMPANY 195 Broadway, New York Vol. VIII OCTOBER, 1929 No. 4 Short Waves and Long Waves inTransatlantic Radio Telephony THE various points on the two sides of the At-lantic which can now be interconnected by thetransatlantic radio telephone system have beenadded so gradually that the magnitude to which thetotal network has grown may not be generally appre-ciated. On January 1,1929, there were over seven mil-lion telephones in Europe and nearly twenty-one mil-lion in North America to which transatlantic servicewas available. The total, twenty-eight million, repre-sents 85 per cent of the telephones in the world. It isinevitable that with such a

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