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Subject
- Inventors.[remove]24
- Inventions.17
- Aeronautics.8
- Airplanes.5
- Curiosities and wonders.3
- Roosevelt Field (Airport : Garden City, N.Y.)3
- Wit and humor.3
- Engineering.2
- Physics.2
- Acrobats.1
- Aerodynamics.1
- Aeronautics--United States--Experiments.1
- Air pilots--Death.1
- Aircraft accidents.1
- Bicycles--Design and construction.1
- Boats and boating.1
- Case, Theodore W., 1888-1944.1
- Children.1
- Classrooms.1
- Clocks.1