Unusual types of gramophone records Unusual types of gramophone records The overwhelming majority of records manufactured have been of certain sizes (7, 10, or 12 inches), playback speeds (33, 45, or 78 RPM), and appearance (round black discs). However, since the commercial adoption of the gramophone record (called a phonograph record in the U.S., where both cylinder records and disc records were invented), a wide variety of records have also been produced that do not fall into these categories, and they have served a variety of purposes. The most common diameter sizes for gramophone records are 12-inch, 10-inch, and 7-inch. Early American shellac records were
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