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
The City Of London Phonograph and Gramophone Society The City Of London Phonograph and Gramophone Society The City Of London Phonograph and Gramophone Society (CLPGS) is an English society and registered charity dedicated to the research in all aspects of early recorded sound. Founded in 1919, the CLPGS is most likely the oldest society of its type in the world. The CLPGS was founded under the name "The Edison Society" in 1919, when Norman Hillyer and some members of the North London Phonograph and Gramophone Society decided that a group was needed within the City of London. The founding members agreed to approach Thomas Edison to ask if