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Subject
- Inventors.[remove]16
- Inventions.13
- Aeronautics.7
- Airplanes.4
- Wit and humor.3
- Curiosities and wonders.2
- Physics.2
- Acrobats.1
- Aerodynamics.1
- Aeronautics--United States--Experiments.1
- Air pilots.1
- Biplanes.1
- Case, Theodore W., 1888-1944.1
- Children.1
- Classrooms.1
- Clocks.1
- Desks.1
- Edison Electric Light Company.1
- Edison, Thomas A. (Thomas Alva), 1847-1931.1
- Electric lighting.1