File:Bell telephone magazine (1922) (14756577975).jpg

Identifier: belltelephonemag22amerrich (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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omewhat as is shown for the cable-reel marking shown on page i8i. When a central office, either man-ual or dial, is completely destroyed,it can be restored to service most neering into packaged units. Plansfor restoration of a completely de-stroyed central office are based,therefore, on the use of manualequipment. Eight prefabricated and packagedunits of the large capacity No. i typeof local manual central office equip-ment, each capable of furnishing serv- 1943 War Emergency Stocks in The Bell System 185 ice to 1200 lines in a multi-officemetropolitan area, have been pro-vided. The picture on page 183shows a portion of one of the usedswitchboards in the process of beingassembled, wired, and connected inthe shops. On page 184 is shown the mately equal to 15 of the packagedunits. For the smaller cities whichare served by one central office build-ing, five complete prefabricated andpackaged units of the smaller ca-pacity No. 12 type of local manualcentral office equipment, each unit ca-
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A COMPLETE central office unit, packed for immediate shipment and installation. Comprehensive lists are maintained of the equipment and materials in each of the numbered cases. Box 70, for instance, contains power equipment ringing machine and a portion of thepower equipment for the same unit.Part of a completed packaged unitbeing placed in storage is pictured onthis page. Additional No. i manual equip-ment hs been provided—but notpackaged—for enlarging the pack-aged units where necessary. Theamount of this equipment is approxi- pable of furnishing service to 1000lines, are being provided. As it is considered desirable to pro-vide manual service for any swift res-toration of a completely destroyedoffice, no attempt has been made tostock dial equipment for this purpose.To restore service in partially dam-aged dial central offices, however,frames, shelves, selectors, banks, and i86 Bell Telephone Magazine SEPTEMBER other miscellaneous material for step-by-step, panel, and crossbar o

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