phonograph

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Images & Videos

phonograph turntable

Thomas Edison's phonograph of 1877

The role of chemistry in Thomas Edison's inventions

45-RPM record player

stereophonic high-fidelity record player

model of Thomas Edison's phonograph

In Thomas Alva Edison's original Phonograph of 1877 (right), words spoken loudly into the recording sound box were converted by a vibrating diaphragm and a needlelike recording stylus into a series of tiny pits impressed in the tinfoil covering of a cardboard cylinder. The cylinder was turned by a hand crank (upper left) for both recording and playing. During playback, a lighter stylus traced over the series of pits (as shown in the movie, lower left), vibrating a reproducer diaphragm and re-creating the original spoken words.

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phonograph: Media

device

Videos

The role of chemistry in Thomas Edison's inventions

The role of chemistry in Thomas Edison's inventions

How Thomas Edison changed the world.

Video: © American Chemical Society (A Britannica Publishing Partner)

Images

phonograph turntable

phonograph turntable

Phonograph turntable with 33

Courtesy of Catherine Okelman-Anderson

Thomas Edison's phonograph of 1877

Thomas Edison's phonograph of 1877

Thomas Edison's phonograph of 1877.By...

Smithsonian Institution

gramophone

gramophone

Emile Berliner's gramophone of 1888.By...

Smithsonian Institution

45-RPM record player

45-RPM record player

A 45-RPM record player manufactured by the RCA Corporation in the 1950s.

Smithsonian Institution

stereophonic high-fidelity record player

stereophonic high-fidelity record player

Stereophonic high-fidelity record player featuring a vinyl long-playing disc rotating...

Encyclopædia Britannica, Inc.

Thomas Edison

Thomas Edison

Thomas Edison demonstrates his tinfoil phonograph. Mathew Brady took this photograph...

Courtesy of the Edison National Historical Site, West Orange, N.J.

stylus

stylus

Stylus for phonograph records.

Tomasz Sienicki

model of Thomas Edison's phonograph

model of Thomas Edison's phonograph

First model of Thomas Edison's phonograph, c. 1877.

© Photos.com/Thinkstock

In Thomas Alva Edison's original Phonograph of 1877 (right), words spoken loudly into the recording sound box were converted by a vibrating diaphragm and a needlelike recording stylus into a series of tiny pits impressed in the tinfoil covering of a cardboard cylinder. The cylinder was turned by a hand crank (upper left) for both recording and playing. During playback, a lighter stylus traced over the series of pits (as shown in the movie, lower left), vibrating a reproducer diaphragm and re-creating the original spoken words.

In Thomas Alva Edison's original Phonograph of 1877 (right), words spoken loudly...

Encyclopædia Britannica, Inc.

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