25 Dez 1877 Jahr - The invention of a lightbulb

Beschreibung:

Joseph Swan (England) invented the first incandescent lightbulb (also called an electric lamp). His lightbulb burned out quickly.
Charles Brush (United States) developed an arc lamp that could be powered by a generator.
Thomas Edison (United States) founded the Edison Electric Light Co. in New York City. He bought a number of patents related to electric lighting and began experiments to develop a practical, long-lasting light bulb.

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