In 1948 columbia records released their 33 rpm which is made from pvc or polyvinyl chloride.
What was the price of vinyl records in 1948.
While the record spins the needle runs along the grooves and passes the.
Apart from a few relatively minor refinements and the.
The first 45 rpm record created for sale was peewee the piccolo rca 47 0147 pressed in yellow translucent vinyl at the sherman avenue plant indianapolis on december 7 1948 by r.
After several years of research columbia introduced a microgroove 33 1 3 rpm long playing record in 1948.
Unlike the standard 10 inch 78 rpm record which could play about 3 1 2 minutes on one side the new lp could hold 15 plus minutes on one side of a 10 inch record and up to 25 minutes on one side of a 12 inch disc.
The sound is recorded in the grooves in the vinyl.
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