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microgroove record

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
microgroove record [′mī·krə‚grüv ‚rek·ərd]
(engineering acoustics)
long-playing record


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1931: Long-playing records (33 rpm) were demonstrated in New York by RCA-Victor, but the venture failed because of the high price of the players, and the first real microgroove records did not appear until 1948.
ON THIS DAY IN .. by Daily Post (Liverpool, England)
43 THE single remained an unrivalled medium until 1948 when Columbia introduced the long-playing microgroove record, which became the standard format for albums for 35 years.
Popped in ..stayed 50 years; FIFTY YEARS AGO THE CHARTS STARTED WITH ... by Daily Record (Glasgow, Scotland)
 
 
 
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