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Samuel Morse va patentar el telègraf
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Graham Bell va patentar el telèfon -
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La va patentar Edison -
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Heinrich Hertz va patentar la ràdio
A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.