page_title: Edison Disc Record
section_title: Historical background
hierarchical_section_title: Edison Disc Record / Historical background
caption_attribution_description: English: 1915 pre-Christmas ad for the Edison Diamond Disc player.
context_page_description: The Edison Diamond Disc Record is a type of phonograph record marketed by Thomas A. Edison, Inc. on their Edison Record label from 1912 to 1929. They were named Diamond Discs because the matching Edison Disc Phonograph was fitted with a permanent conical diamond stylus for playing them. Diamond Discs were incompatible with lateral-groove disc record players, e.g. the Victor Victrola, the disposable steel needles of which would damage them while extracting hardly any sound. Uniquely, they are just under ​¹⁄₄ in thick.
  Edison had previously made only phonograph cylinders but decided to add a disc format to the product line because of the increasingly dominant market share of the shellac disc records made by competitors such as the Victor Talking Machine Company. Victor and most other makers recorded and played sound by a lateral or side-to-side motion of the stylus in the record groove, while in the Edison system the motion was vertical or up-and-down, known as vertical recording, as used for cylinder records. An Edison Disc Phonograph is distinguished by the diaphragm of the reproducer being parallel to the surface of the record.
context_section_description: The record industry began in 1889 with some very-small-scale production of professionally recorded wax cylinder records. At first, costly wet-cell-powered, electric-motor-driven machines were needed to play them, and the customer base consisted solely of entrepreneurs with money-making nickel-in-the-slot phonographs in arcades, taverns, and other public places. Soon, some affluent individuals who could afford expensive toys were customers, too. By the late 1890s, relatively inexpensive spring-motor-driven phonographs were available and becoming a fixture in middle-class homes. The record industry boomed. At the same time, the Berliner Gramophone Company was marketing the first crude disc records, which were simpler and cheaper to manufacture, less bulky to store, much less fragile, and could play louder than contemporary wax cylinders, although they were of markedly inferior sound quality. Their quality was soon greatly improved, and by about 1910 the cylinder was clearly losing this early format war. In 1912, Thomas Edison, who had previously made only cylinders, entered the disc market with his Diamond Disc Phonograph system, which was incompatible with other makers' disc records and players.
caption: 1915 newspaper ad for the product.
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