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This device, known as an "arc lamp," was impractical for most uses. The light, similar to that of a welding torch, was simply too bright to be used in residences and most businesses.
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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.