1794 Eli Whitney Patents the Cotton Gin - 搜索图片

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constitutingamerica.org
March 14, 1794: Eli Whitney Receives a Patent for His Invent…
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October 28, 1793: Eli Whitney applies for a patent for the cotton gin. History …
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patentyogi.com
This Day in History - Cotton gin patent is regarded as one of the greatest America…
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scihi.org
Eli Whitney – The Invention of the Cotton Gin and the Antebellum South …

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Eli Whitney's Cotton Gin Pate…
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Britannica
Cotton gin | Definition, Inventor, Impact, & Facts | Britannica
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1794 Detail, Eli Whitney Invents the Cotton Gin - America's Best History, U.S. History Timeline ...
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MARCH 14 = Eli Whitney Patents the Cotton Gin | Today In History

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The Young Republic timeline | Timetoast timelines
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US National Archives
Eli Whitney's Patent for the Cotton Gin | …
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ThoughtCo
Biography of Eli Whitney, Inventor of the Cotton Gin

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