Berliner Gramophone formulations remained the standard disc record material until the first vinyl records – initially made only for radio use and other special applications – were introduced in the 1930s. Beginning in 1896, Berliner's gramophones were made by Philadelphia-based machinist Eldridge Johnson, who added a spring motor to drive the previously hand-rotated turntable. Berliner also opened an office in New York City, staffed by Frank Seaman and O. D. LaDow and organized as the National Gramophone Company. Master recordings were made onto zinc plates, which were then electroplated and a negative-image "mother" made from them to stamp discs. A major reversal
Berliner Gramophone National Library of Canada, which has set up the Virtual Gramophone on the web to provide access to them, though their focus is primarily on Canadian artists. Some of the notable artists who recorded for Berliner include: Berliner Gramophone Berliner Gramophone – its discs identified with an etched-in "E. Berliner's Gramophone" as the logo – was the first (and for nearly ten years the only) disc record label in the world. Its records were played on Emile Berliner's invention, the Gramophone, which competed with the wax cylinder–playing phonographs that were more common in the 1890s. Emile Berliner received U.S. patents