On Hold: HOW A TELEPHONE MONOPOLY AND A FEAR OF WIRETAPPING HUNG UP THE ANSWERING MACHINE FOR DECADES

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Bibliographic Details
Published in:Smithsonian 2019-12, Vol.50 (8), p.30
Main Author: White, April
Format: Magazinearticle
Language:English
Subjects:
Answering machines
Design and construction
Electronic surveillance
Hard disk drives
History
Inventors
Monopolies
Poulsen, Valdemar
Prevention
Social aspects
Telecommunications industry
Wiretapping
Online Access:Get full text
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ISSN:0037-7333
1930-5508