File:Bell telephone magazine (1922) (14754255974).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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operator in the first team.To meet this difficulty, a set of team-work circuits was provided betweeneach two operators in such a mannerthat one operator who had at themoment no waiting signal at her posi-tion could take up a signal that shecould see waiting on the adjacent 1943-44 Information About Information ^53 position. The effect was to increasetiie team size by about fifty per centor from a normal team of say eightto a team of twelve operators, withsome one of the twelve Operators be-coming available to answer a newcall about every five seconds. A second improvement had to dowith the condition where all the op-erators in a team were busy and sev- space where the books lie open asthe operator looks for a number, inorder to reduce eye strain and, there-fore, make it easier to read the rec-ords. A fourth improvement con-sisted of enlarging the space forrecords to accommodate larger sizedbooks of a more modern type. In the middle nineteen twenties anew form of record known as a ro-
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The No. 6 Information Desk, developed for use in medium-size cities eral calls were waiting to be an-swered. In order that the operatorscould recognize and answer first thecalls which had been waiting longest,it was arranged for each call signalto change from a steady lamp to aflashing lamp at the end of a fewseconds. A third improvement wasto provide a sloping surface for the tary file became commercially avail-able. Due to limited capacity, it wasadaptable, in general, only to thesmaller and medium sized cities.The advantage of the rotary file wasthat operators could find a desirednumber somewhat faster than in thetype of book records then available.A rotary file consists of a stand on A., n.™* ■ ,he «MW^-

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