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
Diameter not display correctly, however, since many fonts do not include it. In many situations the letter ø (the Latin small letter o with stroke) is an acceptable substitute, which in Unicode is . It can be obtained in UNIX-like operating systems using a Compose key by pressing, in sequence, and on a Macintosh by pressing (the letter o, not the number 0). In Microsoft Word the diameter symbol can be acquired by typing 2300 and then pressing Alt+X. In LaTeX the diameter symbol can be obtained with the command codice_1 from the wasysym package. The diameter symbol ⌀ is distinct