The Ader was a French automobile designed and built by Clément Ader, a pioneer in flight and telephone service. The Ader car was built in Levallois-Perret, Seine, by his Société Industrielle des Téléphones-Voitures Système Ader between 1900 and 1907. The company first built bicycles in 1869 and tried steam powered aeroplanes between 1890 and 1897.