From invention to innovation
Subtitle: long-distance telephone transmission at the turn of the century
By: Neil H. Wasserman.
Series: The Johns Hopkins/AT&T series in telephone history
Publisher: Johns Hopkins University Press
Published: 1985
Place of publication: Baltimore
Language: eng
Number of pages: 160
Subjects: American Telephone and Telegraph Company -- History.; Telephone -- United States -- History.; Telephone -- Transmitters and transmission.
Description: By the late nineteenth century, American Bell Telephone had expanded its services across much of the United States. Yet transmission was difficult through overhead wires over distances of more than a few hundred miles, and impossible in cables beyond thirty miles. Wasserman studies the inventions and innovations that made extension possible.
Notes: Bibliography: p. 131-152.
Includes index.