Beauchamp, Ken, 1923-1999, author
History of telegraphy
Institution of Engineering and Technology, 2008
 eBooks
Smith, Sydney F., author
Telephony and telegraphy : and introduction to instruments and switching systems (electromechanical and reed-electronic)
Oxford University Press, 1978
 Buku Teks
Bonea, Amelia, author
The news of empire: telegraphy, journalism, and the politics of reporting in colonial India, c. 1830-1900
Oxford University Press, 2016
 eBooks
History
Korean Overseas Information Service, 1972
 Buku Teks
A History Of .........
 Buku Teks
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