Monday, 30 July 2012

Thomas Elva Edison


On 21-22 October, Thomas Elva Edison and his staff invented the first ever working Electric Lamp. This was a carbon-filament lamp in a vacuum. By New Years, Edison was demonstrating lamps using carbonized cardboard filaments to very large crowds at the Menlo Park Laboratory. The next year, Thomas then made manufacturing commercial lamps using carbonized Japanese bamboo as filaments. 







   

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