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When was the light bulb invented?

Updated: 9/11/2023
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5y ago

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The first incandescent light bulb was constructed in 1840.

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It consisted of a platinum coil contained in a glass vacuum tube, and was constructed by British scientist, Warren De la Rue. There were other experiments on incandescent light before and after, but this was the first incandescent light bulb, as the platinum filament was inclosed in a vacuum tube.

Many people, like Joseph Swan, worked on incandescent lighting and to improve the bulb after Warren de la Rue, to make it last longer. Thomas Edison managed to make one, ca. Oct. 22, 1879. This improved bulb lasted 1200 hours and he received a patent for it. However, Thomas Edison, like Joseph Swan, made better light bulbs but did not invent them. There have been improvements since Edison's efforts as well.
He invented it in 1879.
The electric light bulb was made in 1879 by Humphry Davy.
While many people think that Thomas Edison created the light bulb, it was invented in 1879 by Joseph Swan.

Later, Edison took Joseph Swan's ideas and made them into a different idea to create the longer lasting light bulb.

The first practical lightbulb was "invented" by Thomas Edison in 1879. That is probably the answer you want.

In truth, the first (not practical) lightbulb was invented in 1809 by Humphry Davy, an English chemist.

There were around 22 different inventors that created light bulbs between 1800 and 1910. However, historians conclude that Edison's outstripped them all.
The first light bulb was invented in 1879 by Thomas Alva Edison. There were others trying to invent a light bulb at the time, but Edison was the first to succeed. Please see the related link below.
Thomas Alva Edison

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14y ago

British scientist Sir Joseph Wilson Swan invented the modern light bulb in 1878, and American inventor Thomas Alva Edison independently made a similar invention in 1879. Edison is usually given credit for intoducing the incandescent light bulb because his work included designing the electric power grid necessary before light bulbs could be widely used.

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