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Por Samuel Morse
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Por Alexander Bain
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Por Antonio Meucci
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Por el Proyecto Rand (EE.UU) en el contexto de la guerra fría
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Por Martin Cooper
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.