phonograph
jesus,jacob, ben
Time
The phonograph was made in 1878 .
Place
It was created by a new jersey labtroy by thomas alva edison for both sound and play it back
and gain his creator a U.S patent.
Invention and innovation
a device that reproduces audible sounds from the grooves on
phonograph records.
innovation
is made of several basic parts: a tone arm, a revolving turntable, a
pickup cartridge that transfer forms mechanical from a needle in the
groove into electrical oscillations, an amplifier that boosts the
volume of those oscillations, and a loudspeaker that broadcasts
them as sounds. And it lead to helping with making a new type of
phone.
impact
The phonograph change the way we hear music and paved the way for radios mp3 players
phone and boom boxes and it lets people hear whatever music you wanted at anytime you
wanted to hear it (:
website
google
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