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Jump Back in Time Gilded Age (1878-1889)
Alexander Graham Bell's design sketch of the telephone, ca. 1876.
Alexander Graham Bell's design sketch of the telephone

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Alexander Graham Bell Invented the Photophone
June 3, 1880

Imagine a solar-powered telephone, and you're close to understanding the important gadget Alexander Graham Bell invented on June 3, 1880, four years after he had patented the telephone. Bell considered the photophone one of his most important inventions. He's probably right, since the technology behind the photophone led to the technology that helps computers send information around the world today.
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