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for an incandescent lamp, with a design using platinum wires contained within a vacuum bulb. He also used carbon.

In 1845, American John W. Starr patented an incandescent light bulb using carbon filaments. His invention was never produced commercially.

In 1851, Jean Eugène Robert-Houdin publicly demonstrated incandescent light bulbs on his estate in Blois, France. His light bulbs are on display in the museum of the Château de Blois.

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