Photophone: diferenças entre revisões
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← nova página: {{for|the sound-on-film technology|RCA Photophone}} O '''Photophone''' (Fotofone), foi inventado por Alexander Graham Bell em conjunto com sua assistente [[Sarah... |
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*[http://histv2.free.fr/bell/bell1.htm Bell's speech] before the [[American Association for the Advancement of Science]] in [[Boston]] on [[August 27]], [[1880]], in which he presented the above paper.
*[http://www.dcmemorials.com/index_indiv0001693.htm Photo of the plaque]
[[Category:Early telecommunications]]
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[[en:Photophone]]
[[fr:Photophone (téléphonie)]]
[[it:Fotofono]]
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