In October 1879, Edison "perfected" The Light Bulb Signify Company Website | colegioclubuniversitario.edu.ar
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In October 1879, Edison "perfected" The Light Bulb Signify Company Website | colegioclubuniversitario.edu.ar
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NY Power Authority on Twitter: "On this day in 1848, Lewis Latimer is born. Latimer invented a lightbulb with a carbon filament, improving on Edison's original paper filament. Learn more about his
Meet Lewis Latimer, the African American who enlightened Thomas Edison | Grist
