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
Book-and-record set its offshoot Power Records) and others, from the dawn of long-playing records and the 45rpm single until the digital age. In the late 1940s and early 1950s, Capitol Records produced many book-and-record sets for children, ranging from everything from Bozo the Clown to the classical music fantasy "Sparky's Magic Piano". A "picture storybook" of the 1982 movie "E.T. the Extra-Terrestrial" narrated by Michael Jackson became a highly prized collectible, after it went out of print. Newer sets may still be found among recordings for children. Book-and-record set Book-and-record sets are a form of entertainment for children, consisting of a picture