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What year did ben Franklin invent the light bulb?
1706
How long did it took thomas edison to invent the light bulb?
it took him 1 year to invent the lightbulb
What year did he invent the light bulb?
Thomas Edison invented the first light bulb that was available for commercial use in 1879. The light bulb was first used in Menlo Park.
When did Humphry Davy invent light bulb?
Yes he did he invnted it in the year 1809 which is a year after he invented the electric arc.
When did thomas Edison invent the light bulb date year month and day?
December 31, 1879
What year was light bulb invented by Eddison?
Edison didn't invent the light bulb he bought the patent and then work on filaments and encased it in a vacum in glass. Here is a decent history of the light bulb: http://inventors.about.com/library/inventors/bllight2.htm
Thomas Edison trys light bulb?
Edison did not invent the first electric light bulb, but instead invented the first commercially practical incandescent light.---------------------------------------------------------------------------------------------------Yes he was afraid of the dark but Edison did not actually invent the light bulb... it was designed somewhere in the UK by Nicola Tesla. Edison refined his design to create 'the modern light bulb' ... :)!
Did thomos alva Edison invent the light bulb?
British inventor Sir Joseph Wilson Swan of invented the modern light bulb in 1878, one year before Thomas Alva Edison invented his.
In what year did Thomas Edison invent the light 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.
What year did Lewis invent the electric lamp bulb?
1885
What year did steven sanson invent the digital camera?
Steven Sanson invented the first camera in 1920
What year did Alexander Wolcot invent the camera?
May 8, 1840
