Philco Photo-Electric Phonograph

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http://www.youtube.com/watch?v=BMYYGWmTw1c

From an old magazine of mine, "Plays any record on a Beam of Light! No Needles to change! Records last 10 times longer! New Purity of Tone! Philco invention has brought new delights to the enjoyment of recorded music. .... All this because of a brand-new principle that reflects the music on a beam of light from a tiny mirror to a photo-electric cell. ... Philco Home Recording Unit is optional equipment at moderate extra cost."

http://www.amazon.com/Photo-Electric-Radio-Phonograph-Vintage-Antique-Advertisement/dp/B00CG62FU4
 
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