File:Bell telephone magazine (1922) (14756153135).jpg

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English:

Identifier: belltelephonemag16amerrich (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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The Wires Having Been Strung Over a New Cross-Arm, They Are Pulled Taut by Tackles. AloftON the Poles, Linemen Check the Sag of Each Pair and Signal Orders to the Man on the Ground.
Text Appearing After Image:
Putting the Finishing Touches on a Section of the Fourth Transcontinent.al Line Near Ashfork, Arizona. SOUTHWEST PASSAGE namely the cost. It was almost the grand gesture of a prodi-gal to make a call in 1915, for a three-minute chat from NewYork to San Francisco cost $20.70. Today that same call, ona daytime station-to-station basis, costs .^6.50. Or, if it beSunday, or after the magic hour of 7 p.m. when the night ratesgo in, it would cost $4.25. Another development of considerable importance has beenthe improvement in the quality of speech transmitted. Inmathematical terms, the frequency band transmitted over thefirst transcontinental circuit was about 900 cycles. Todaythese circuits handle frequency bands ranging in width from2,200 to 5,000 cycles. In perhaps more familiar terms, thismeans that the voice or music at the other end of the line, in-stead of sounding like those cylinders in the early phonographs,is not only recognizable, but pleasingly like the original. Such an improv

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16
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27 July 2014

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current01:12, 18 September 2015Thumbnail for version as of 01:12, 18 September 20152,200 × 1,422 (844 KB) (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Identifier''': belltelephonemag16amerrich ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fbelltelepho...

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