Thomas Edison

thomas edison Thomas Edison Inventions: What Did He Invent? · The Phonograph · The Carbon Microphone · The Incandescent Light Bulb

Thomas Edison didn't invent the light bulb—but here's what he did do With more than a thousand patents to his name, the legendary inventor's thomas jefferson Thomas Edison Inventions: What Did He Invent? · The Phonograph · The Carbon Microphone · The Incandescent Light Bulb