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Cotton Gin- Eli Whitney
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Batteries- Alessando Volta
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Bicycle- Kirkpatrick Macmillian
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Radio- William Henry Ward
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Washing Machine- William Blackstone
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Telephone- Alexander Graham Bell
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Light Blub- Thomas Edison
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Transmission-Henry Ford
Transmission.jpg -
Computer- Konard Zuse
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Microwave- Percy Spencer
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Cellphone- Martin Cooper
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