Identifier: belltelephonemag09amerrich (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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wers and is told about the incoming call, he depresses the button of his set corresponding to the outside lineover which the call is being received. This removes the holding condition from the outside line and automatically disconnects the original answering telephone. Figure 8 illustrates the making of an intercommunicating call as already described except that it shows a call to a point outside the residence, in this case, a call from the residence to the stable. The 7 50-A system is equally advantageous for the telephone service of many business concerns. Perhaps the most important feature in connection with the use of this system by business concerns requiring a small number of telephones is the fact that its operation requires no operator or attendant. Thus the subscriber is relieved of the need for providing an employee for telephone service and the problem of relief for the attendant during noon hours and at other times is avoided. 272 Figure 8. The butler calls the groom at the stable.
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