Telephony, a Manual of the Design, Construction, and Operation of Telephone Exchanges; Volume p.4
Arthur Vaughan 1854-1906 Abbott
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Format: Book (Hardback)
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Les Oscillations Electro Magnetiques Et Latelegraphie Sans Fil, Volume 1...
J Zenneck
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Journal Of The Telegraph; Volume 15
Western Union Telegraph Company
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Western Union Telegraph Company
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Telephones and Telegraphs : 1902: And Municipal Electric Fire Alarm and Police Patrol Systems
United States Bureau of the Census
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Maver's Wireless Telegraphy : Theory and Practice
William Maver
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The Telephone : A Destription Of The Bell System With Some Facts Concerning The So-called "independent Movement. "
New England Telephone and Telegraph C
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Radio Spectrum Conservation; a Program of Conservation Based on Present Uses and Future Needs
Joint Technical Advisory Committee
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The Bell System Technical Journal, Volumes 1-2
American Telephone and Telegraph Comp
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Format: Book (Hardback)
Telephone Lines and Methods of Constructing Them Overhead and Underground
Walter C Owen
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Format: Book (Paperback / softback)
Telephonic Transmission, Theoretical and Applied
James Greaves Hill
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Shaffner's Telegraph Companion : Devoted to the Science and Art of the Morse American Telegraph, Volumes 1-2
Taliaferro Preston Shaffner
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Format: Book (Paperback / softback)