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the light bulb used the bateries to work
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humphrey davy invented the first electric light
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Joseph wanted to make a long lasting light
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He had the idea of the electic light
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the batteries used copper to work
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.