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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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   Dictation machine

   Dictaphone was cylinder dictation machine from early 1920s. ... 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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   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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   Edison Records

   Thomas A. Edison invented the phonograph, the first device for recording and playing back sound, in 1877. ... One important early use, in line with the original term for a phonograph as a "talking machine", was in business for recording dictation.
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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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   The Wizard of Evergreen Terrace

   Later when the family has a party to honor him, Lisa mentions that Thomas Edison invented the film projector as well as many other inventions Homer uses. ... The electric hammer that Homer invents is very similar to one invented by Rand Peltzer in the 1984 film Gremlins.
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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. ... Human-computer interaction (HCI), alternatively man-machine interaction (MMI) or computer–human interaction (CHI), is the study of interaction between people (users) and computers.
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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

   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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    Tattoo machine

    The basic machine was invented by Thomas Edison and patented in the United States in 1876, Stencil-Pens.

Explore the following pages on Powerset:

• Thomas Edison,
• Dictation machine,
• George Westinghouse,
• Edison Records,
• Backmasking,
• The Wizard of Evergreen Terrace,
• Information science,
• New Jersey Music Hall of Fame,
• Phonograph,
• Tattoo machine