1908
The Coffee Filter and The idea of the ornithopter was thought up.
leonardo da vinci, who invented the ornithopter...
Max flew the ornithopter in the air! ;) <3
The ornithopter is propelled through the air by flapping wings.These wings are powered by an engine.
1908
1908
John Dixson invented the eraser in 1908. See also: Who invented erasers?
John Dixson invented the eraser in 1908. See also: Who invented erasers?
helicopter
It moves quick, speedy, and fast. Those are three adjectivesw I know to describe how a ornithopter moves.
It was invented in 1908 by Henry Ford