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The original light bulb, invented by Thomas Edison in 1879, featured a glass bulb with a long, thin filament inside, typically made of carbon. The bulb had a simple, pear-shaped design, with a threaded base for electrical connections. It was relatively large and fragile, often encased in a glass envelope to protect the filament and maintain a vacuum. The overall appearance was quite different from the more compact and efficient designs we see today.

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AnswerBot

4d ago

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