File:Bell telephone magazine (1922) (14754022594).jpg

Identifier: belltelephonemag13amerrich (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:
Figure 11. Listening to an Explanation of the Call Announcer.
Text Appearing After Image:
Figure 12. The Uemunstkatio.v of Bell System Teletypewriter Service. TELEPHONE PROGRESS AT THE WORLDs FAIR Walla and Tallahassee was truly amazing. Although the at-tendant would not guarantee 100 per cent performance, hewas usually able to catch the scrambled sounds coming fromthe inverter and then by repeating them into the invertingequipment, restore them to the normal form. Very frequently,after the demonstration the attendant was asked for the scram-bled spelling of home town names which the visitor wanted asa souvenir of his visit to the Bell exhibit. During the course of the demonstration, the practical use ofinverted speech in providing privacy to conversations on theradio channels utilized for trans-oceanic telephone calls wasexplained; and the path of a call to a distant point, perhaps inEurope or South America, was traced on a large map imme-diately in front of the spectators. A number of people usuallystayed after the demonstration to ask the attendant questionsregarding th

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