Ader Éole

The Ader Éole, an experimental steam-powered monoplane aircraft built by French engineer Clément Ader, is generally credited with being the first heavier-than-air flying machine to take off from a level ground under the sole power of its engine, on October 9, 1890.

• 
  A drawing by Clément Ader himself of the Éole in flight, 1891
• 
  Patent drawings of Clement Ader's Éole