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 make records himself, and won, in spite of the negative verdict against Berliner. This victory by Johnson, which was used in naming the new record company the Victor Talking Machine Company he founded the following year, may have been in part due to a patent-pooling handshake agreement with Columbia. The agreement allowed Columbia to produce disc records themselves, which they began doing in 1901; Columbia's records had previously been cylinders. The Victor Talking Machine Company was never a branch or subsidiary of Gramophone, as Johnson's manufactory, which had been making talking machines for Berliner, was his own company with many