Dosya:The Bell System technical journal 1952 Area Code map of USA.jpg

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Açıklama

English:

Identifier: bell00systemvol31techniamerrich (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

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:
'
Text Appearing After Image:
Fig. J—Nationwide loll ili;iling luciis in tho UTiito<l Stales unci Ciiniula NATIONWIDE NUMBERING PLAN 859 in the customers local dialing area. For these offices with five or four-(litiit local dialing and for offices in the larger places served by certaint.\pes of dial equipment, as they are arranged today, it will be necessaryto prefix the dialing of toll calls by a transfer or directing code to permitthe customer getting from the local ofhce into the toll network. Independent of the adxantages of a universal 2-5 numbering planf(M- nationwide operator and customer toll dialing, the Bell System hasmade considcral)le progress in this direction over the past several years.\ew York antl Northern New Jersey adopted 2-5 numbering in 1930in order to take advantage of the flexibility of office code assignmentsand the large code capacity which this type of local numbering provides.Since World War II many cities and their environs such as Chicago,Boston, Philadelphia, San Francisco, Oakl

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Tarih

1952

Kaynak

https://www.flickr.com/photos/internetarchivebookimages/14570186909/

Source book page: https://archive.org/stream/bell00systemvol31techniamerrich/bell00systemvol31techniamerrich#page/n889/mode/1up

Yazar

American Telephone and Telegraph Company

İzin
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Flickr tags

bookid:bell00systemvol31techniamerrich
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:889
bookcollection:prelinger_library
bookcollection:additional_collections
bookcollection:americana
BHL Collection

Flickr posted date

27 Temmuz 2014

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Bu resim, ilk olarak Flickr sitesine https://flickr.com/photos/126377022@N07/14570186909 adresinde Internet Archive Book Images tarafından yüklendi. 18 Ekim 2015 tarihinde FlickreviewR tarafından incelendi ve No known copyright restrictions şartları uyarınca lisanslı olduğu doğrulandı.

18 Ekim 2015

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güncel	11.54, 18 Ekim 2015		2.820 × 1.542 (645 KB)	Fæ	== {{int:filedesc}} == {{information \|description={{en\|1=<br> '''Identifier''': bell00systemvol31techniamerrich ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fbell00systemvol31tec...

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Dosya:The Bell System technical journal 1952 Area Code map of USA.jpg

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