File:Bell telephone magazine (1922) (14569735117).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
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Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
mided in succeeding years, the under-ground transportation system keptpace. Today the network of pipelines which carries gas, crude oil, andrefinery products to homes and fac-tories in America exceeds 533,000miles in length, and is growing at therate of about 15,000 miles a year. These underground lines employenough pipe to circle the globe overtwenty times, yet the chances are thateven in localities where pump or com- 1953 Right-oJ-Way Companies ^9 pressor stations are situ-ated, the average citizenis only vaguely aware oftheir significance. Yetthese stations house ma-chinery that never stopsrunning — machinerywhich controls the flowand the quality of nat-ural gas and petroleumproducts. Initially, the pipe-linecompanies often pro-vided their own commu-nications system, locatedalong their rights ofway. Today, as thesesystems need additionsand replacements, moreof the pipe-line compa-nies are turning to thecommercial telephonecompanies for commu-nications facilities. iisiSii I 801888
Text Appearing After Image:
Station operators at the dam below read signals showingthe position^ at three unattended automatic substations^of main tra^ismission line switches^ feeder oil circuitbreakers^ changes in oil temperatures^ operating airpressures^ control voltages, and similar operating data

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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@N07/14569735117. It was reviewed on 18 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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