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File:Edison effect bulb 1.jpg - Wikipedia
Edison and Swan Electric Light Company - Wikipedia
Wikipedia on Twitter: "On this day in 1880, Thomas Edison received the patent for his incandescent lamp. However, it took several more months for Edison and his team to discover the best
File:Edison light bulb with plate.jpg - Wikimedia Commons
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Wintergreen Lighting FlexFilament C9 LED Shatterproof Green Vintage Edison Christmas Light Bulbs (5-Pack) 80676 - The Home Depot