Columbia Records introduces the 33 1/3 LP (“long playing”) record at New York's Waldorf-Astoria Hotel[?], featuring 25 minutes of music per side, compared to the four minutes per side of the 78 rpm record, the previous standard.
... the more specific uses of the term, the most common include:
1. A supporter of King Charles I of England during the English Civil War.
2. In the UK, a ...