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400
Camera Pinhole by Joseph Nicephore
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Jan 1, 1280
clock by bruce brunelleschi
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Jan 1, 1280
Glasses by Salvinod Armato
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Jan 1, 1450
printing press by Johannes Gutenburg
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Jan 1, 1570
telescope by Thomas Digges
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helicopter by leonardo da vinci
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microscope by Antonie van Leeuwenhoek
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flying shuttle by John kay
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cell phone by Cabot Starch
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dutch chocolate
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camers by louis jacqucs mande daguerre
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Matches by John Walker
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camara by Daguuerre
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potato chips by george crum
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Jell--O by Peter Cooper
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light bulb by Thomas Edison
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Telephone by Alexander Gram Bell
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telephone by Bell and Watson
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Microphone by David Hughes
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computer by Herman Hollerith
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cotton candy
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radio by Guglie Marconi
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Radio by Le De Forest
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television by John Logie Baird
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telvisonby philo t frronsith
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cell phone by Martin Cooper
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computer by goverment and Alan turning
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Computer by J.Presper Eckart and John Moulchy
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computer by remington company
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toilet by john harrington
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Post-It Notes by Dr, Spencer Silver
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Neil Armstrong set foot on the Moon
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cell phone by martin capers
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cell phone by martin cooper
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Paper by T'sai Lun
B.C -
This class will Graduate from high school