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| ==== Patent for the telephone ==== | ==== Patent for the telephone ==== | ||
| - | In 1876, Bell was awarded the first US patent for the telephone, which he had invented earlier that year. [([[https:// | + | In 1876, Bell was awarded the first US patent for the telephone, which he had invented earlier that year. [([[https:// |
| ==== Mr. Watson, come here ==== | ==== Mr. Watson, come here ==== | ||
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| ==== Invented the metal detector ==== | ==== Invented the metal detector ==== | ||
| - | In addition to his work with the telephone, Bell also invented the metal detector, which was originally used to locate the bullet in President James Garfield' | + | In addition to his work with the telephone, Bell also invented the metal detector, which was originally used to locate the bullet in President James Garfield' |
| ==== Visible Speech ==== | ==== Visible Speech ==== | ||