On August 26, 1873, American inventor Lee de Forest was born. He is credited more than 180 patents. In 1906, de Forest invented the Audion, the first triode vacuum tube and the first electrical device which could amplify a weak electrical signal and make it stronger, making radio broadcasting, television, and long-distance telephone service possible, among many other applications. Lee De Forest was born in Iowa to parish priest Henry Swift De Forest; his…Read more
You are here: Home › Post Tagged with: "Lee de Forest"