Who invented the lightbulb before Edison?
In 1802, Humphry Davy invented the first electric light. He experimented with electricity and invented an electric battery. When he connected wires to his battery and a piece of carbon, the carbon glowed, producing light. His invention was known as the Electric Arc lamp.
What did Thomas Jefferson invent?
What was Thomas Edison’s first invention?
Thomas Edison’s First Invention – The Electrographic Vote Recorder. Edison was 22 years old and working as a telegrapher when he filed his first patent for the Electrographic Vote Recorder.