long-playing records

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  11. phonograph records
  12. long-playing records
Scope note
Phonograph records originally invented by Columbia Records, first introduced in 1948. The records have a rotational speed of 33 1/3 rpm (revolutions per minute), and have very fine grooves. They, along with 45 rpm records, replaced 78 rpm records in popularity.
long-playing records
Accepted term: 22-Apr-2024