bicycle by: kai dawson. history of bicycle bicycles were first invented in 1816. they introduced...
TRANSCRIPT
BICYCLEBY: KAI DAWSON
HISTORY OF BICYCLE
• Bicycles were first invented in 1816.
• They introduced into England in 1818.
• They were use for transportation to school, and to exercise.
• It was invented by Baron Karl Drais von Sauerbronn.
• People who want to exercise or lives near a school uses bikes.
BICYCLE PATENTS• Bicycle seats
• Foldable Bicycle
• Bike lock
• Motor/pedal bike
• Bike alarm system
BIKE MATERIAL
• Sprocket chains were made to keep the wheels spinning
IMPROVEMENTS TO THE BIKE
• Brakes
• Motor
• Training wheels
TIMELINE
• 1816: Baron Karl Drais von Sauerbronn built the first bicycle.
• 1818: Bicycle introduced in England.
• 1885: James Starley manufactured safety bicycle with wheels of approximately equal diameter and a sprocket-chain drive connecting the pedals with the rear wheels.
• 1888: The safety bicycle superseded the high-wheeled form.
CIATATIONS
• http://www.factmonster.com/encyclopedia/science/bicycle.html
• https://www.google.com/?tbm=pts&safe=active&ssui=on#q=bicycle&safe=active&ssui=on&tbm=pts