1. a 50-pound biplane glider with a 17-foot wingspan

2. varnish and aluminum powder

3. a movable track

4. an entire "Air Force"

5. the Vin Fiz airplane

6. a wind tunnel

7. a small, biplane glider kite with wing-warping

8. a nearly 100-pound biplane glider with a 22-foot wingspan

9. a letter of request to the Smithsonian

10. the first Flyer with a motor and propeller

1901 1. a 50-pound biplane glider with a 17-foot wingspan

1909 2. varnish and aluminum powder

1903 3. a movable track

1914 4. an entire "Air Force"

1911 5. the Vin Fiz airplane

1901 6. a wind tunnel

1899 7. a small, biplane glider kite with wing-warping

1901 8. a nearly 100-pound biplane glider with a 22-foot wingspan

1899 9. a letter of request to the Smithsonian

1903 10. the first Flyer with a motor and propeller