File:Bell telephone magazine (1922) (14753522631).jpg

Identifier: belltelephonemag18amerrich (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:
Figs. 19 axd 20. Experi-mental, Very Light TypesOF E.ARTH Boring Ma-chines.
Text Appearing After Image:
TELEPHONE COMPANY SERVICE The decalcomania seals and letters for use on motor vehiclesare undergoing a redesign with a view to further improvingtheir appearance and also their life. New decalcomania mate-rials are available and will be used for future seals, which willhave a very much longer life than the seals now in standard use. Earth Boring Machines, Pole Derricks, Compressed Air Equipment Now a few words in regard to the type HC earth boringmachines which, with their integral type derricks, are demon-strating their effectiveness in setting poles and placing anchors. For instance, in less than 3 months time, two machines wereused to set 9,000 poles and place a large number of anchorson the recently built Fourth Transcontinental Line, West ofAmarillo, Texas. By their ability to drill even through softrock they were responsible for a very large saving on this onejob, in addition to speeding up the work tremendously. In another part of the country, 5 of these machines are inservice i

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