File:Bell telephone magazine (1922) (14754254144).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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time, with allregular calls placed by number, it wasrelatively easy for the operators toremember the name and number ofnew customers and therefore eachoperator became her own Informa-tion operator. Very early in thepresent century, however, a few of-fices became so large that it was nec-essary to have a separate table ordesk where one or two operators 1943-44 Information About ^Information^ 249 could concentrate on giving out newand changed numbers from variousforms of improvised records, fre-quently written out in longhand orperhaps typewritten. With the rapid expansion of tele-phone service in the decade prior tothe first World War, this form ofInformation service was quickly out- city at one desk. The number ofpairs of copper wires to be carriedfrom each particular office to the cen-tralized desk would equal the ex-pected number of simultaneous callsto Information from that office.Telephonically, each pair of copperwires would be known as an Informa-tion trunk. The answering end of
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Here is an installation of the No. 3 Information Desk with positions for about 120operators and a team size of about 40 moded for the larger cities. Thesehad grown to the point where severalcentral offices were required in eachcity. Each office had its own smallInformation desk of usually one tothree or four positions. The inade-quacy and inefficiency of this arrange-ment to meet changing conditions ledto the idea of centralizing the Infor-mation service for all the offices of a these trunks would be so arrangedthat any one of several operatorscould answer any call. The first centralized desk was in-stalled in 1910 and was known asthe No. I type of Information desk.It was designed to accommodate booktype records * and to provide for a * For a description of these and other recordsreferred to herein, see Providing the Informa-tion Service, Magazine, August, 1941. 250 Bell Telephone Magazine WINTER maximum of thirty Informationtrunks in front of an operator.These thirty trunks were mult

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