Bell telephone magazine (1922) (14569283568)

Identifier: belltelephonemag23amerrich (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:

A HOLE HOLE uio(,ER makes quick work of line construction where ground con-ditions are favorable. A lighter machine is being developed for rural construction 222 Bell Telephone Magazine WINTER

Text Appearing After Image:

A VISUALIZATION of the principal physical features of the power routes, whereas carrier on rural powerlines may avoid the necessity of build-ing or extending telephone pole lines. The truly remarkable accomplish-ments of radio telephony in the warhave brought many suggestions for—and some fanciful pictures of—thepeace-time use of this means of com-munication, particularly as an aid tofarmers and others in isolated places.The Bell System has had a good dealof experience as to the place of radioin telephone communication, and will undertake further studies of its usefor rural service as soon as the warends. It has already requested theFederal Communications Commissionto make available 40 frequency as-signments for 20 rural customer cir-cuits with which to conduct experi-ments and develop this type of serv-ice. These frequency assignmentswould be suitable to be duplicatedover and over in different localities.Short-wave frequencies of the typecontemplated have limited transmis-sion ra

bell telephone magazine 1944 bell telephone magazine 1945 book illustrations bell telephone company telephone american telephone and telegraph company history of technology telephony high resolution images from internet archive

1922

Prelinger Library

http://commons.wikimedia.org/

public domain