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Thomas Edison announced his invention of the first phonograph the 21. November 1877, and it was patented on February 19, 1878.
Source: http://en.wikipedia.org/wiki/Phonograph
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What year did Thomas Edison invent the electric char?
in 1880
Did Thomas Edison invent the motion picture camera?
in 1890 he invented the camera
What date did Lewis latimer invent the light bulb?
No Thomas Edison improved it
Who was the first person to the invent the light bulb?
The 1st electric lamp was built by Humphry Davy (an Englishman) in 1809. Thomas Alva Edison improved the invention and based his improvements on a patent he purchased from inventors Henry Woodward & Matthew Evans who patented their electric lamp bulb in 1875.Sir Joseph Wilson Swan produced an early electric lamp (1860), and in 1880, independently of Thomas Alva Edison, he produced a carbon-filament incandescent electric lamp.Thomas Alva Edison (February 11, 1847 - October 18, 1931) was an American inventor, scientist and businessman who developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric lamp.
How old was Thomas Edison when he invented the movie projector?
Edison did not invent the movie projector. Charles Francis Jenkins and Thomas Armat have the patent for the original motion picture projector...The Phantoscope, initially designed by Jenkins alone. The projector was sold to Edison whom re-named it the Vitascope and began using it to show motion pictures in a NYC theater in 1896. For marketing purposes, Edison put his name on it. But, he did not invent the projector. There were various other devises and inventors that made pictures move in a more primitive fashion. Jenkins' Phantoscope, which used flim and electric light, is considered to be the one that ushered in the modern era of motion picture projection, with design and principles still used today.
When did Thomas Edison invent the electric chair?
Thomas Edison did not invent the electric chair Harold p brown did...
Did Lewis Latimer invent the electric lamp or did Thomas Edison invent it?
Lewis Latimer invented it, and he wrote a book with Thomas Edison.
Did Thomas Edison invent the electric automobile?
No.
What paper did Thomas Edison invent?
Thomas Edison did not invent paper. He was known for his inventions such as the phonograph and the electric light bulb.
When did Thomas Edison invent the electric voice recorder?
Thomas Edison announced his invention of the first phonograph the 21. November 1877, and it was patented on February 19, 1878.Source: http://en.wikipedia.org/wiki/Phonograph
Why did Thomas Edison invent the electric heater?
because
What kind of light bulb did Thomas Edison invent?
Thomas Edison invented the Incandescent electric light.
What year did Thomas Edison invent the electric char?
in 1880
When did Thomas Edison invent the electric light station?
yes
When did Thomas Edison invent the electric power station?
1881
What did scientist Edison invent?
Thomas Alva Edison, in my opinion, invented the Electric Bulb.
Did Thomas Edison invent the electric chair?
No, Dr. E.A. Kennelly and Harold P. Brown invented the electric chair.
