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2008-02-05 02:37:23
2008-02-05 02:37:23

The light bulb. The light bulb. The light bulb.

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Thomas invented the phonograph in the year of 1878 and took him 30 hours with a little help from his Friend john kruesi.Edison is credited with the invention of the phonographin 1877.thomas Edison invented the phonograph in the year 1877. he demonstrated the phonograph on Dec.7th 1877 at the office of SCIENTIFIC AMERICAN.


Thomas Edison made the first light bulb in 1879 and patent it in January 27,1880Answer:Edison did not invent the lightbulb. He purchased the 1875 patent he purchased from inventors, Henry Woodward and Matthew Evans and improved on it. His contribution was to develop a carbon filament that burned for forty hours. Edison placed his filament in an oxygenless bulb.


Edison did not invent the lightbulb. He purchased the 1875 patent he purchased from inventors, Henry Woodwardand Matthew Evans and improved on it. His contribution was to develop a carbon filament that burned for forty hours. Edison placed his filament in an oxygenless bulb.


In October 1879 Thomas Edison managed to make a light bulb that burned for 13.5 hours. Later he made one that lasted over 100 hours, and finally one that would burn for more than 1200 hours. He got a patent for this in 1880.


The history of the Incandescent light bulb begins long before Edison, and his light bulb was NOT the original invention of the light bulb. In 1809 an English chemist named Humphry Davy invented the first electric light. A series of men followed, each creating their own version, and submitting patents. At the same time, Edison was working independently and eventually bought the patent rights from two of the other inventors. Then, in 1879, Thomas Alva Edison invented a carbon filament. It burned for forty hours, and this prototype would go on to become today's "light bulb".October 22, 1879


Thomas Edison invented the electric light bulb. The first successful test of his invention was in October of 1879, during which the light lasted for over 13 hours. He acquired the patent in 1880.


Thomas A. Edison could not have worked the incredibly long hours (sometimes up to 72 hours to complete a project) drinking any depressant, such as alcohol. He was driven by success. He smoked cigars, but these produced meditative thoughts that fueled his creativity.


Thomas Edison crowns 14 months of testing with an incandescent electric light bulb that lasts 13½ hours


Humphrey Davy invented the first lightbulb, however, Thomas Edison developed the first practical "home use" lightbulb.OMG its Thomas Edison who made it last for 40 hours!!!!!!!!!!!!!!!!!!!!!!!!!


I do not think he had any time for pets as he was workaholic, and slept for only four hours in the night.


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So people could see in the dark and for many hours if needed.


Contrary to popular belief, Thomas Alva Edison didn't "invent" the light bulb, but rather he improved upon a 50-year-old idea. In 1809, Humphry Davy, an English chemist, invented the first electric light. In 1878, Sir Joseph Wilson Swan, an English physicist, was the first person to invent a practical and longer-lasting electic lightbulb (13.5 hours) with a carbon fiber filament. In 1879, Thomas Alva Edison invented a carbon filament that burned for forty hours.


Thomas Edison invented the a long-lasting, practical electric light bulb.He had experimented with thousands of different filaments to find just the right materials to glow well and be long-lasting. In 1879, Edison discovered that a carbon filament in an oxygen-free bulb glowed but did not burn up for 40 hours. Edison eventually produced a bulb that could glow for over 1500 hours.For additional information about the light bulb - see Related Question below.


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He probably did. He saw what could be done with the light bulb and he kept on trying till he perfected one that ran for hundreds of hours.


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The electric light bulb as you know it today was first tested on October 22, 1879 by Thomas Edison and it lasted 13.5 hours.


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