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CONRAD GESNER INVENTED THE PENCIL IN 1564. HE INVENTION IN COLUMBIA ( E.E.U.U.)
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LUIGI GALVANI INVENTED THE BATTERY IN 1800. HE INVENTION IN ROME ( ITALY )
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WILLIAM FOX TALBOT INVENTED THE PHOTO CAMERA IN 1826 . HE INVENTION IN UNITED KINGDOM.
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THOMAS ALVA EDINSON INVENTED THE LIGHT BULB IN 1879. THE INVENTION IN MILAN
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JOHN LOGIE BAIRD INVENTED THE TELEVISION IN 1884. THE INVENTION E.E.U.U.
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ISAAC PERAL INVENTED THE SUBMARINE IN 1888. HE INVENTION IN PORT OF CARTAGENA
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LEONARDO TORRES INVENTED DIGITAL CALCULATOR IN 1914. THE INVENTION IN SPAIN
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ALEXANDER FLEMING INVENTED PENICILLIN IN SEPTEMBER IN 1928 . THE INVENTION IN UNITED KIGDOM
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ALEJANDRO CAMPOS RAMIREZ INVENTION THE TABLE FOOTBALL IN 1936 . ALEJANDRO CAMPOS RAMIREZ INVENTION IN MADRID
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MANUEL JALON INVENTED THE MOP IN 1956. THE INVENTION IN ZARAGOZA
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ELISHA OTIS INVENTED THE ELEVATOR IN 1957 .HE INVENTION IN VERMONT (E.E.U.U.)