Inventions Change Lives
Home
Airplane
Phonograph
Kodak Camera
Vacuum
Lightbulb
Works Cited
Brothers Orville and Wilbur Wright:
bicycle manufacturer brothers from Dayton, Ohio
experimented with new engines powerful enough to keep "heavier-than-air" craft aloft
first: glider
second: four-cylinder internal combustion engine
third: biplane with a 40'4" wingspan
Successful flight:
December 17th, 1903
Kitty Hawk, North Carolina
Covered 120 feet and lasted 12 seconds
2 years later:
increases flights to 24 miles
by 1920: US government established first transcontinental airmail service