File:Bell telephone magazine (1922) (14755860232).jpg

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Description
English:

Identifier: belltelephonevol3132mag00amerrich (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

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

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edicated to providingthis type of intelligence. Altogether,570,000 miles of communications cir-cuits are provided by the telephoneindustry and make up the heart andnerves of air transportation in theUnited States. Most of this has taken place withinthe last ten years. Commercial airlines are generally less than 25 yearsold. Who can tell what new type ofcommunication need will arise In thenext 25 years? Planners need notknow exactly what these needs will be, but the plans for them can be based onthe technical facilities now availableand those expected to be available inthe few years ahead. By keeping theplans flexible and fluid, changes can bemade as quickly as the future com-munication needs seem to form a defi-nite image. What are some of the questionsabout the future that the telephoneplanners will try to answer? Here are a few. When the teen-agers of today be-come heads of their own households,how many calls will they make andhow long will they talk? When telephone customers of the
Text Appearing After Image:
Customer dialing of long distance calls requires automatic equipment to time each call^ compute the charge, and record other details necessary Jor billing. The details of many calls are first recorded electrically on a single tape, which is then unscrambled by this computer, trayjscribtng the data iji proper sequence n)i other tapes

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27 July 2014

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14755860232. It was reviewed on 17 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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