Photophone: diferenças entre revisões

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Linha 6:
* Bell, A. G.: "On the Production and Reproduction of Sound by Light", ''American Journal of Sciences'', Third Séries, vol. '''XX''', #118, October [[1880]], pp. 305 – 324; also published as "[[Selenium]] and the Photophone" in ''[[Nature (journal)|Nature]]'', September [[1880]].
 
== {{Ligações externas}} ==
{{Wiktionary}}
* {{Link||2=http://histv2.free.fr/bell/bell1.htm |3=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.