Dull in imagery and contrast, clinch marks, DOS The first successful model Ornithopter, flying by means of flapping wings, is demonstrated. This model has licked a problem that has baffled inventors since Leonardo da Vinci. MLS - What looks like a bird is an invention called the Ornithoper. CUS - Three young boys watching this thing fly. MLS - The Ornithoper just flying around. CUS- Army Capitan William Sears showing boys his invention.