File:Bell telephone magazine (1922) (14776002483).jpg

Identifier: belltvol20elephonemag00amerrich (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

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-fected. Data relating to prospectivetemporary employees are being main-tained with an eye to insuring an ade-quate service force in case of emer-gency. In addition to the alternative tollroutes previously mentioned, alterna-tive toll entrance routes are being es-tablished, and other safeguards havebeen employed at points of importancewhere operating centers might be iso-lated through the temporary loss oftoll entrance cables. Various plansare in effect for emergency routing oftoll service, while other plans exist forthe provision of toll service in case ofserious damage to a toll building oran intermediate repeater station. An-other safety precaution bearing on theoutside plant is the application of con-tinuous gas pressure to more hun-dreds of miles of the toll cable system.The provision of emergency powerin case of possible failure of the nor-mal supply has received attention. Aconsiderable number of large fixedengine-alternator sets and smallerportable sets are being added to sup-
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plement the many already availableto fill the breach in the event of thetemporary loss of outside power. Other potential emergencies havebeen anticipated—so far as it is pos-sible for experienced telephone mento foresee and to provide against ac-cidents or other causes of interruptionto the service. Plans already exist,for example, for the restoration oftelephone service to various govern-ment buildings, hospitals, police head-quarters, railroad stations and impor-tant manufacturing plants, in casethe facilities serving these buildingsshould be damaged or destroyed. One of the most interesting itemsin the emergency program is the ex-panding use of portable radio tele-phone sets, to span temporarily linebreaks which would take a consider-able length of time to repair andwhich might be so widespread as toleave no alternative routes in service. Several emergency uses in the pastyear or two have proved the worthof these portable radio sets in timesof disaster. While each pair—send-ing

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