Demonstration of action of propeller blade of P-3 aircraft in the United states. Reversible propeller blades of American Curtiss P-3 Hawk biplane stops during flight. The pilot reverses pitch on propellers with crank tool. The propeller is reversed. A ground crewman stands in front of the aircraft. The crewman props reverse air blast. He holds checked flag which flows. The hangar in the background. The Curtiss P-3 aircraft takes off from the airfield. The P-3 aircraft taxis and lands at an airfield. The pilot reverses pitch in blade and backs up the aircraft. The aircraft taxis in front of the hangar and stops.
Landing of German low wing monoplane at airfield in the United States. Flags of all nations flutter in wind. German low wing monoplane with pusher type engine, twin boom and single rudder in flight. The aircraft taxis and lands. The landing gear doubles up beneath the aircraft.
Flying Wing aircraft takes off from airfield in the United States. Aircraft fuselage with no wing section drives into hangar. Men attach wing section to the aircraft. The aircraft drives out from the hangar. X262Y written on the side of the aircraft wing. The pilot operates the steering wheel and foot control of the Flying Wing aircraft. The aircraft takes off and flies over the city. The aircraft lands.
Testing of the Kellett autogyro with 165 horse power continental A-70 engine for use in the Air Corps in the United States. A man watches as the Kellett autogyro taxis on an airfield. Hangar in the background. The autogyro takes off. The autogyro descends vertically on the field.
Flight of biplane in the United States. Biplane with tilt wings and no tail taxis on the airfield. Other aircraft parked in the background. Hangar in the background. The aircraft in flight over grasslands. The biplane changes the angle of wings during landing at the airfield. Men stand on the field.
Unceremonious launching of large steel ship from shipyard in the United States, during World War I. Ship goes down the ways flying a square ensign on the bow, containing white stars on a dark field. Ship appears to carry hull number only, on its bow.
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