45-rpm record with its larger center hole. LP which spun at 33 1/3 rpm and RCA's introduction of the 7-in.
78s remained the mainstay of recorded music and held that position up through and just after World War II.Īfter the War, the 78 met major competition with the introduction of two new formats of records, the Columbia 12-in. When Electricity appeared in homes in the late 1920s and 1930s 78-rpm record players became electrified. After a few short years, the flat 78-rpm (rotations per minute) record made its debut on wind up machines like the Victrola and Gramophone. Mass-produced recorded music for the home began in the early 1900s with Thomas Edison's cylinder players. Records and machines to play them on have been around for over 100 years.
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