Image of the light bulb in Edison's English patent No. 4576, November 10, 1879.
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Image of the light bulb in Edison's English patent No. 4576, November 10, 1879.
Image of the light bulb in Edison's US patent 223898, which was issued a month or so after the English patent.
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Image of the light bulb in Edison's US patent 223898, which was issued a month or so after the English patent.
Detail map of Edison, New Jersey, United States Overview map of Edison, New Jersey, United States

A: Edison, New Jersey, United States

Thomas Edison Invents the Incandescent Light Bulb

1879
Thomas Edison's first successful light bulb model, used in public demonstration at Menlo Park, December 1879
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Thomas Edison's first successful light bulb model, used in public demonstration at Menlo Park, December 1879

In 1879 Thomas Alva Edison produced the first incandescent light bulb capable of burning for a substantial period of time.

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Technology / Engineering