Secretary of Commerce Herbert Hoover (not pictured) inspects De Bothezat helicopter at engineering division of McCook field in Dayton,Ohio. Dr. George De Bothezat sits in the pilot seat and lifts off in the helicopter sometimes called the Jerome-de Bothezat Flying Octopus, with four rotors, built for the U.S. Army Air Service. It hovers a few inches above the ground. Men stand on all sides of it to help stabilize it. Assistant to George de Bothezat, Mr. Eremeff pilots the helicopter in another test.
The Army Air Force Institute in Wright Field, Dayton, Ohio. Students attend the classes. Exteriors of experimental laboratories at Wright Field. Student observes laboratory tests of materials. Various equipment in laboratory. Procurement officers in the factory. 'Operations Altitude 300' building at Wright Field. A plane taxis and takes off.
A safety seat for pilots tested at Wright air field in Dayton, Ohio. Men strap a dummy to a seat and it is hoisted on board a plane with a crane. Men pull a string and the dummy is tossed up in the air to safety. Dummy falls into a net erected nearby.
Development of air power. The National Aeronautics Association (NAA) annual races in Dayton, Ohio. A small aircraft flying at high speed around pylons at an air show. A large crowd in the grandstands to watch the races.
A toy parade in Dayton, Ohio. Adults and children gathered for the toy parade. Decorated floats and toys move past the crowd during the parade. Clowns aboard the decorated floats. A man rides a dummy horse. Well decorated floats move past a large crowd on either side of a street. A man dressed as Santa Claus waves to a large crowd from the top of a building.
Early transport aircraft of United States Army Air Service in the United States. U.S. Army Air Service Consolidated Fleetster YIC-11 transport airplane. U.S. Assistant Secretary of War F. Trubee Davison and pilot Captain Ira Eaker pose in front of the plane at Wright airfield in Dayton, Ohio. Assistant Secretary and Pilot Eaker prepare to take off for Washington D.C. They board the flight. Engine of the plane starts and propellers rotate. Aircraft taxis to take off.
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