Elisha Gray (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Elisha Gray" in Czech language version.

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1web.archive.org

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archive.org

SHULMAN, Seth. The Telephone Gambit. New York: W. W. Norton, 2008. Dostupné online. ISBN 0-393-06206-6. (angličtina)

google.com

Electric Telegraph for Transmitting Musical Tones (anglicky)
Improvement Electric Telegraph for Transmitting Musical Tones (anglicky)
Automatic Circuit-Breakers for Electro-Harmonic Telegraphs (anglicky)
Electro-Harmonic Telegraph (anglicky)
Telephonic Telegraph Apparatus (anglicky)
Electro-Harmonic Telegraph (anglicky)
Art of Telegraphy (anglicky)
Telautograph (anglicky)
Telautograph (anglicky)
Art of and Apparatus for Telautographic Communication (anglicky)
Telautograph (anglicky)
Telautograph (anglicky)

oberlin.edu

Elisha Gray (1835-1901) (anglicky)

playpiano.com

What is a Synthesizer and how does it work? (anglicky)

web.archive.org

The Invention of the Telephone Exhibit 2: Gray's Caveat. repo-nt.tcc.virginia.edu [online]. [cit. 2016-02-14]. Dostupné v archivu pořízeném dne 2013-08-24.