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In October 1879, Edison "perfected" the light bulb | Signify Company Website
This is the first invention of light bulb. It was created by Thomas Edison. I chose this image because without a light bulb this … | Electric lamp, Lamp, Light bulb
Tesla vs Edison - Who Really Invented the Light Bulb?
Edison Light Bulb | Smithsonian Institution
Famous false 'facts' – who invented the light bulb? (Control in Motion)