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interchangeable parts, cotton gin
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one of the first electric batteries
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internal combustion engine fueled by gasoline, one of the first automobiles
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phonograph, incadescent light bulb, electric generating plant
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telephone
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broadcast first transatlantic radio signal
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invented the Flyer, flew the first plane
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assembly line
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.