Audion Triode1906
Adds a control grid to a vacuum tube, enabling an electron current to amplify electrical signals.
Historical person
Historical biography and chronological timeline for Lee de Forest, based on 1 World History Database records associated with United States of America.
Adds a control grid to a vacuum tube, enabling an electron current to amplify electrical signals.
Inventor
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.