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Ray M. Dolby 1933-2013  (Art.-No.: 28807 ) 
CHF 50.00
signed photo, 3x5 inch 
Product description:
American engineer and inventor of the noise reduction system known as Dolby NR. He helped develop the video tape recorder while at Ampex and was the founder of Dolby Laboratories. 
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Ray M. Dolby 1933-2013