16 Facts About Gramophone records

Since the 1990s, Gramophone records continue to be manufactured and sold on a smaller scale, and during the 1990s and early 2000s were commonly used by disc jockeys, especially in dance music genres.

Phonograph Gramophone records are generally described by their diameter in inches (although they were designed in millimeters), the rotational speed in revolutions per minute (rpm) at which they are played (.

Gramophone records then took an acoustic trumpet, and at its tapered end affixed a thin membrane that served as the analog to the eardrum.

Gramophone records started doing business in September 1900 as The Consolidated Talking Machine Company but changed to using Johnson's name because of a conflict with a Berliner company name.

Sales of Gramophone records plummeted precipitously during the early years of the Great Depression of the 1930s, and the entire record industry in America nearly foundered.

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World Records produced Gramophone records that played at a constant linear velocity, controlled by Noel Pemberton Billing's patented add-on speed governor.

In 1957 the first commercial stereo two-channel Gramophone records were issued first by Audio Fidelity followed by a translucent blue vinyl on Bel Canto Records, the first of which was a multi-colored-vinyl sampler featuring A Stereo Tour of Los Angeles narrated by Jack Wagner on one side, and a collection of tracks from various Bel Canto albums on the back.

Yet another noise reduction system for vinyl Gramophone records was the UC compander system developed by of Kombinat Rundfunk und Fernsehen (RFT).

Flexi discs were thin flexible Gramophone records that were distributed with magazines and as promotional gifts from the 1960s to the 1980s.

Occasional Gramophone records have been issued since then with a recording on only one side.

The blank records for cutting used to be cooked up, as needed, by the cutting engineer, using what Robert K Morrison describes as a "metallic soap", containing lead litharge, ozokerite, barium sulfate, montan wax, stearin and paraffin, among other ingredients.

Electroformed nickel Gramophone records are mechanically separated from their respective mandrels.

For vinyl Gramophone records to be playable for years to come, they need to be handled with care and stored properly.

Vinyl Gramophone records experienced a sudden decline in popularity between 1988 and 1991, when the major label distributors restricted their return policies, which retailers had been relying on to maintain and swap out stocks of relatively unpopular titles.

Vinyl Gramophone records continue to be manufactured and sold today, especially by independent rock bands and labels, although record sales are considered to be a niche market composed of audiophiles, collectors, and DJs.

In 2014, the sale of vinyl Gramophone records was the only physical music medium with increasing sales with relation to the previous year.