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500
The Yo-Yo Toy
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Jan 1, 1500
clock by peter henlien
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Jan 1, 1553
Safty Elevator by Elisha Otis
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Thermomter by Galileo Galilei
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Mercury thermometer by Daniel Gabriel Fahrenhiet
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steam engine
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Umbrella by Jonas Hanway
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Bicycle by Baron Karl Van Drais De Sauerbrun
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telephone Alexander Grande Bell
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Television by Paul Nipkow
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radio Guliemo Marconi
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Vacum Cleaner by Hubert Booth
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bicycles John Starley
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airplane by wright brothers
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Automobile by Carl Benz
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plastic by bakelite
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neon lights
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The Flush Toilet by John Harrington Crapper
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fluorescent light by Edmund Germer
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Ballpoint pens
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Computer by Tommy Flowers
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Polaroid Camera by Edwin Herbert Land
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non-stick pan by marc greroire
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post-it notes by Dr. Spencer and Art Fry
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post it note
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Type Writer by Christopher Sholes
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Post-it- note Dr. Spencer Silver and
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Neil Armstrong step on the moon
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nike shoes by phil knight
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mountain bike by john starley
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MP3 playes German scientist
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yo-yo by Chinease
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Soap by Ancient Egyptions
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This Classes Graduation Date
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yo-yo by d.f.duncan sr.
