Phonograph record a "De luxe" price. Later, Decca Records introduced vinyl Deccalite 78s, while other record companies used vinyl formulations trademarked as Metrolite, Merco Plastic, and Sav-o-flex, but these were mainly used to produce "unbreakable" children's records and special thin vinyl DJ pressings for shipment to radio stations. In the 1890s, the recording formats of the earliest (toy) discs were mainly 12.5 cm (nominally 5 inches) in diameter; by the mid-1890s, the discs were usually 7 inches (nominally 17.5 cm) in diameter. By 1910, the 10-inch (25.4 cm) record was by far the most popular standard, holding about of music or other
The Record Guide The Record Guide The Record Guide was an English reference work that listed, described, and evaluated gramophone recordings of classical music in the 1950s. It was a precursor to modern guides such as "The Penguin Guide to Recorded Classical Music". The guide was conceived and written by Edward Sackville-West and the music critic Desmond Shawe-Taylor. Their aim, as set out in the preface to the first edition in 1951, was "to try to supply a guide-book to the vast available repertory of the gramophone". The book ran to 763 pages, but nevertheless confined its coverage to records available in Britain