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Bell telephone magazine (1922) (14569712397)

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Bell telephone magazine (1922) (14569712397)

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Identifier: belltvol20elephonemag00amerrich (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



Text Appearing Before Image:
F^iG. 4. Lnterior of an Auxiliary Repeater Station Inside the building shown on the opposite page are compactly arranged the repeaters andassociated equipment for amplifying the voice channels transmitted by carrier current 104 Bell I i;m:phone .Maca/im: M A Y
Text Appearing After Image:
Fig. 5. Plowing Cables into the Ground Cables from the two reels feed into the furrow through the hollow share of the plow behind thetractor. In heavy going it is not unusual to find two tractors, tandem-fashion, supplying the motive power toll message plant. The cables, afterbeing plowed in across farm lands, 12,000

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1922
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Prelinger Library
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bell telephone magazine 1941
bell telephone magazine 1941