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Aunque inicialmente se atribuyo el invento del telfono a Graham Bell, posteriormente se reconocio a Antonio Meucci, quien en 1854 fabrico un primer prototipo, muy poco efectivo.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.