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
Gramophone Company Lambert Typewriter Company, and the Gramophone Company was for a few years renamed the Gramophone & Typewriter Ltd. This was an attempt to diversify the business model, in response to a series of lawsuits brought about by Edison Bell. In 1900, the U.S. parent of Gramophone lost a patent infringement suit brought on by Columbia Records and Zonophone, and was no longer permitted to produce records in the U.S. Its hardware manufacturer, Eldridge R. Johnson, left with a large factory and thousands of talking machines with no records to play on them, filed suit that year to be permitted to