The Vacuum Tube  late 1800s - early 1900s  Thomas Eidison: Light Bulb (1884) John Fleming: Valve (1904) Lee DeForest: Audion Tube (1906) Henry Ford: Automobile (1896) 1898 Spanish American War 1899 Alexandre Gustave Eiffel designs the Eiffel Tower for the Paris World Exhibition. 1903 Orville and Wilbur Wright make the first piloted flight on a powered airplane. 1908 The Ford Motor Company produces the Model T.    Yougian Cheng