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BICYCLEBY: KAI DAWSON
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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.
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BICYCLE PATENTS• Bicycle seats
• Foldable Bicycle
• Bike lock
• Motor/pedal bike
• Bike alarm system
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BIKE MATERIAL
• Sprocket chains were made to keep the wheels spinning
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IMPROVEMENTS TO THE BIKE
• Brakes
• Motor
• Training wheels
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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• 1888: The safety bicycle superseded the high-wheeled form.
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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