alexander_graham_bell
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alexander_graham_bell [2023/03/27 02:42] aga |
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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 ==== | ||
alexander_graham_bell.1679902939.txt.gz · Last modified: 2023/03/27 02:42 by aga