File:Bell telephone magazine (1922) (14753049651).jpg

Identifier: belltelephonemag15amerrich (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:
Cleaning and Adjusting Switchboard Keys. _L___
Text Appearing After Image:
Repairing Switchboard Cords. I BEHIND THE SCENES IN A CENTRAL OFFICE from a distance or to perform tests automatically, as in the caseof some of the testing equipment used in dial offices. All of these tools, gauges, and testing devices are designedwith a view to providing the most convenient, efficient, andaccurate arrangements possible in consideration of the highly-repetitive nature of most of the work operations in which theymust be used. They incorporate the necessary featureswhereby the mechanical or electrical condition of the equip-ment may be checked and assured to be proper for the variousservice conditions in which it may be employed. Methods and Technical Information It will be apparent that the knowledge which is required ofthe central office maintenance man is of a highly specializedcharacter. Even with a broad basic knowledge of his duties,the specific details are so numerous and varied and the de-velopments in the art are so rapid that he must be providedwith considera

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