File:Bell telephone magazine (1922) (14756505592).jpg

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Description
English:

Identifier: belltelephonemag26amerrich (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.

Text Appearing Before Image:
topographical condi-tions—can influence the recordingsat any single point and it takes atrained and skillful analyst to inter-pret the data correctly. While the plotters and analystsare creating the large detailed chart, based on observations from allsources, another group of plotters isworking on a smaller set of chartswhich will fit the 12 X 18 limita-tions of the facsimile transmittingand receiving equipment. When theplotting is completed on these smallercharts, the isobars and other analysislines of the larger chart are copiedand the final chart is then ready fortransmission. All of the work thus describedmust be done with a fixed deadlinein mind. In general, about an hourand a half is allowed to collect dataand to plot and draw up a generalsurface analysis for the territory ofthe United States. Today, with the facsimile networkan accomplished fact, about 40 mapsor charts are regularly transmitteddaily from Washington. For in- I947~4S leather Charts by Wire J or the Air Force m
Text Appearing After Image:
bo 238 Bell Telephone Magazine WINTER

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https://www.flickr.com/photos/internetarchivebookimages/14756505592/

Author Internet Archive Book Images
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Volume
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26
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27 July 2014

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18 September 2015

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