Pop Culture History- Columbia Records publicly unveiled its new long-playing phonograph record, the 33 1/3, in New York City on 18 June 1948.

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In New York City, Columbia Records publicly unveiled its new long-playing phonograph record that turned at 33 1/3-RPM rather than the standard 78. Unlike 78-RPM discs, which held only three minutes of music on each side, the LP could hold a full 23 minutes per side.