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In 1838, Samuel Morse invented the telegraph. It was first used in New Jersey.
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The first message of the Telegraph was sent. The message stated, "What hath God wrought". The telegraph technology took many failed attempts but it's ingenuity slowly spread across the country.
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Thomas Edison patens electric lamp.
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Nikola Tesla invents Namesake Coil. This was the basis of the x-ray technology.
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John Moses Browning invented the first semi-automatic shot gun.