File:Bell telephone magazine (1922) (14776457563).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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Text Appearing Before Image:
is plainly stenciled with the neces-sary identifying information, as pic-tured on page 181. This plain mark-ing of each reel also serves the pur- the equipment to be installed Is pre-englneered to workable sizes of unitsand all of the necessary material fora complete installation is selected,crated, and clearly marked. Central office war-time emergencystocks were designed to meet these 184 Bell Telephone Magazine SEPTEMBER requirements. In preparing the vari-ous packaged units of central officeequipment, all shop assembling andconnecting that is practicable has beendone in advance. Cables have beenconnected and coiled for immediateuse. Every step has been taken thatcould facilitate portability and quick quickly by the use of manual equip-ment. Less detailed engineering isneeded to adapt the equipment to lo-cal conditions; and, since it is lesscomplicated technically, the time re-quired for installation is shorter.Manual equipment also lends itselfbetter to the necessity for pre-engi-
Text Appearing After Image:
Telephones use power to operate. In this picture, units of power equipment arebeing reconditioned: left, a battery charging generator; center, a ringing machine; right, a power distribution panel installation of the units. Items ofmiscellaneous equipment required forquick repairs have been boxed anddistinctly marked and numbered,somewhat 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 proc

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