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www.reference.com/article/record-player-work-a103edf1d278a59a

A vinyl record has very small grooves. Within the grooves are small ridges that vibrate the needle of the record player, producing the proper frequency wave to recreate the sound.

www.reference.com/article/wikipedia-ca73a543e121308c

Wikipedia is a Web-based encyclopedia that anyone can contribute to and edit. Contributors are entirely unpaid volunteers who can contribute anonymously or under a pseudonym.

www.reference.com/article/invented-first-record-player-da0ef6068604736c

The very first machine that could play back music was the phonograph, which was created by Thomas Edison, but it went through several changes before it was able to play the flat recorded disks that became known as records. The phonograph started its use in 1857 with tin...

www.reference.com/article/history-wikipedia-fbd04755ce4a9daf

Wikipedia was launched on Jan. 15, 2001, by Larry Sanger and Jimmy Wales as an online encyclopedia with a limited editorial review process. Contributors began adding content rapidly, and Wikipedia grew to more than 20,000 articles in 2001. The website expanded into the ...

www.reference.com/article/wikipedia-kids-c9ef4bcfcd75b433

Wikipedia's site for kids can be found at Wikiforkids.ws. The website removes content that is not appropriate for younger readers and uses simple language and grammar to make reading the articles easier for children.

www.reference.com/article/vintage-record-player-c4816366477e4f6

Vintage record players are often replicas of classic models. Most common vintage players are designed after the style of early phonograph or gramophone players, which are notable for their large horns. These designs originated in the 1900s.

www.reference.com/article/determine-value-old-record-player-970a240e6df294c1

Online auction sites, physical auctions, Internet retail sites such as Craigslist and Etsy, and flea markets help people determine the value of old record players. An appraisal of a working or decorative machine relies on the make, model and condition of the piece. Sinc...