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.
... page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that ...