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In 1809 on january 1st Sir Humphrey Davy created the Arc Lamp, the precursor to the lightbulb.
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On january 1st, 1879, Thomas Edison invented the lightbulb.
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In 1925 th first Frosted lightbulb was invented.
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In 1927 Edmund Germer invented the Fluorescent lightbulb.
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In 1991 Philips invented a lightbulb that lasted 60,000 hours which uses magnetic induction.
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.