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Who Invented the Lightbulb?
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In October 1879, Edison "perfected" the light bulb | Signify Company Website
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Basics Hardware Edison Bulbs 6 Pack Antique Vintage Style Light Amber Warm Dimmable (60W/110V) (6 Bulbs Pack) : Home & Kitchen - Amazon.co.jp
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Edison's light bulb turns 135 | National Museum of American History
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