Coined by the inventor Charles Hoxie ca. 1922 from πάλλω (pallō, “shaking”) + φωτός (photos, “light”) + φωνή (phōnē, “sound”)
"pallophotophone." YourDictionary, n.d. Web. 24 June 2018. <http://www.yourdictionary.com/pallophotophone>.
pallophotophone. (n.d.). Retrieved June 24th, 2018, from http://www.yourdictionary.com/pallophotophone
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