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in 1877

The Inventions of Thomas Edison for Kids | Sciencing


R778000090  ...Thomas Edison invented the phonograph back in 1877. ...

https://sciencing.com/inventions-thomas-edison-kids-8616444.html


Edison Invents the Phonograph


R300000096  ...Edison Invents the Phonograph Thomas Edison created many inventions , but his favorite was the phonograph . While working on improvements to the telegraph and the telephone, Edison figured out a way to record sound on tinfoil-coated cylinders. In 1877, he created a machine with two needles: one......

http://www.americaslibrary.gov/aa/edison/aa_edison_phonograph_1.html


Phonograph - Wikipedia


R300000094  ...Thomas Edison with his second phonograph , photographed by Levin Corbin Handy in Washington, April 1878.Several inventors devised machines to record sound prior to Thomas Edison 's phonograph , Edison being the first to invent a device that could both record and reproduce sound....

https://en.wikipedia.org/wiki/Phonograph


Thomas Edison 's Greatest Inventions | The Phonograph


R300000092  ...In 1878, Thomas Edison established the Edison Speaking Phonograph Company to sell the new machine. He suggested other uses for theThomas Edison 's greatest challenge was the development of a practical incandescent, electric light. Contrary to popular belief, he didn't "invent "......

https://www.thoughtco.com/thomas-edisons-inventions-4057898


Why Thomas Edison invented the phonograph


R300000088  ...Edison patented the sound recording and reproducing phonograph in 1878 but did not invent it. Charles Cros produced a theory (April 18, 1877) concerning a phonograph , but he never made the working model. Thomas Edison did manage to manufacture a model in order to acquire the patent....

http://www.answers.com/Q/Why_Thomas_Edison_invented_the_phonograph


History of the Cylinder Phonograph | History of Edison Sound...


R150000086  ...The phonograph was developed as a result of Thomas Edison 's work on two other inventions , the telegraph and the telephone. In 1877, Edison was working on a machine that would transcribe telegraphic messages through indentations on paper tape, which could later be sent over the......

https://www.loc.gov/collections/edison-company-motion-pictures-and-sound-recordings/articles-and-essays/history-of-edison-sound-recordings/history-of-the-cylinder-phonograph


Thomas Edison - Wikipedia


R100  ...Thomas Edison – Wikipedia...

https://en.wikipedia.org/wiki/Thomas_Edison


The Phonograph | Thomas Edison 's Favorite Invention - YouTube


R98  ...The Phonograph | Thomas Edison 's Favorite Invention – YouTube...

https://www.youtube.com/watch?v=SCrauk973fs


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