Edison's Incandescent Lamp: Difference between revisions
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<p>[[Image:Edison bulb.jpg|thumb|center|Edison's First Lightbulb as used in Menlo Park demonstration. Source www.classstudio.com/scaltagi/img/internship/sightseeing_day2/edison_bulb.jpg]]</p> | <p>[[Image:Edison bulb.jpg|thumb|center|Edison's First Lightbulb as used in Menlo Park demonstration. Source www.classstudio.com/scaltagi/img/internship/sightseeing_day2/edison_bulb.jpg]]</p> | ||
[[Category:Lasers,_lighting_&_electrooptics]] | |||
[[Category:Light_sources]] | |||
[[Category:Electric_lighting]] | |||
Revision as of 14:42, 12 January 2012
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Menlo Park, New Jersey. Edison executed his first patent on a carbon-filament lamp on 1 November 1879; he made a public demonstration at Menlo Park on 31 December 1879. It was on 21 October 1879 that promising results were first achieved in the laboratory: a filament of carbonized thread glowed for more than 14 hours before breaking.