Finding:

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   Thomas Edison

   His first phonograph recorded on tinfoil around a grooved cylinder and had poor sound quality. ... The Wizard of Menlo Park: How Thomas Alva Edison Invented the Modern World.
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   Edison Records

   Thomas A. Edison invented the phonograph, the first device for recording and playing back sound, in 1877.
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   Phonograph

   Patent drawing for Edison's phonograph, May 18 1880 ... This jukebox-like phonograph was invented by Louis T. Glass and William S. Arnold.
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   Backmasking

   In 1877 Thomas Edison invented the phonograph, a device that allowed sound to be recorded and reproduced on a rotating cylinder with a stylus (or "needle") attached to a diaphragm mounted at the narrow end of a horn. ... His design overtook the Edison phonograph in the 1920s, since Berliner's patent expired in 1918, and others were then free to utilize his invention.
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   George Westinghouse

   Edison bounced back quickly from the setback to invent the phonograph, which brought him renown. ... In 1878 Edison invented an improved incandescent light bulb, and realized the need for an electrical distribution system to provide power for lighting.
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   Dictation machine

   Shortly after Thomas Edison invented the phonograph, the first device for recording sound, in 1877, he thought that the main use for the new device would be for recording speech in business settings.
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   Information science

   Alexander Graham Bell and Thomas Edison invented the phonograph and telephone in 1876 and 1877 respectively, and the American Library Association was founded in Philadelphia.
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   List of Edison patents

   Thomas Edison was an inventor who, it is said, accumulated 1500-plus patents worldwide for his inventions. ... U.S. Patent 0,227,679 -- Phonograph
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   New Jersey Music Hall of Fame

   New Jersey has also played a role in the technology behind music; Thomas Edison invented the record player in the state in 1877, while Les Paul created the solid-body guitar.
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    Phonograph cylinder

    The phonograph was invented by Thomas Edison on 18 July 1877 for recording telephone messages, his first test using waxed paper.

Explore the following pages on Powerset:

• Thomas Edison,
• Edison Records,
• Phonograph,
• Backmasking,
• George Westinghouse,
• Dictation machine,
• Information science,
• List of Edison patents,
• New Jersey Music Hall of Fame,
• Phonograph cylinder