File:Bell telephone magazine (1922) (14753862124).jpg

Identifier: belltelephonemag17amerrich (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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Text Appearing Before Image:
Fig. 7. Fart of the Mechanicsburg-Shepherdstowx, Pa., Toll C.-^ble, with Tiiree-Hundred-FootSpans. Showing How It Is Possible to Utilize High Spots in the Cable Route for Placing Short Poles.
Text Appearing After Image:
Fig. 8. Using Blocks of Ice to Gently Lower Occupied Telephone Conduit in order to PermitChanges in Highway Grade near Floyd Bennett Airport, New York. The Collected Papers of George Ashley Campbell (Editors Note: A volume containing the technical papers of Dr. GeorgeA. Campbell has just been issued by the American Telephone and Tele-graph Company. The publication is commemorative of Dr. Campbellslong and distinguished service as Research Engineer of the Company and ofhis fundamental contributions to the development of telephone transmis-sion. While the volume as a whole will appeal primarily to the specialist intransmission theory, it carries two introductory chapters which, becausethey are historical in their point of view, will be of interest to a much widercircle of Bell System readers. The Quarterly welcomes the opportunity,therefore, of reprinting these chapters. The first is by Professor VannevarBush, Dean of Engineering of Massachusetts Institute of Technology,while the second

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