File:The Bell System technical journal (1922) (14570360237).jpg

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English:

Identifier: bellvol10systemtechni00amerrich (find matches)
Title: The Bell System technical journal
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company
Subjects: Telecommunication Electric engineering Communication Electronics Science Technology
Publisher: (Short Hills, N.J., etc., American Telephone and Telegraph Co.)
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

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Text Appearing Before Image:
ternately fortransmission in the two directions by means of voice actuated switch-ing devices at the New York and London terminals. For the purposeof minimizing the principal limitation of long waves, that of static,the receiving stations are located as far north as is reasonably possibleand use is made of directive receiving antennas. The three short-wave circuits which have been provided on theNorth Atlantic route add materially to the trafiic capacity but areerratic in their behavior and their usefulness is dependent, in a largemeasure, upon being operated in combination with the more stablelong-wave circuit. All three short-wave circuits are affected similarlyby the adverse conditions accompanying magnetic storms, whereaslong-wave transmission is not materially affected by these conditionsexcept at night.^ The second long-wave circuit is planned to providea more balanced combination of facilities as well as to add to the total 1 See attached bibliography. - Bibliography 6, 14, 15.
Text Appearing After Image:
WELLINGTON TRArFC OPtllATORS POSITIOH TECHNICAL OPERATORS POSITION

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https://www.flickr.com/photos/internetarchivebookimages/14570360237/

Author American Telephone and Telegraph Company
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Flickr tags
InfoField
  • bookid:bellvol10systemtechni00amerrich
  • bookyear:1922
  • bookdecade:1920
  • bookcentury:1900
  • bookauthor:American_Telephone_and_Telegraph_Company
  • booksubject:Telecommunication
  • booksubject:Electric_engineering
  • booksubject:Communication
  • booksubject:Electronics
  • booksubject:Science
  • booksubject:Technology
  • bookpublisher:_Short_Hills__N_J___etc___American_Telephone_and_Telegraph_Co__
  • bookcontributor:Prelinger_Library
  • booksponsor:Internet_Archive
  • bookleafnumber:284
  • bookcollection:prelinger_library
  • bookcollection:additional_collections
  • bookcollection:americana
  • BHL Collection
Flickr posted date
InfoField
27 July 2014



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