Invention of the Cotton Gin - 搜索图片

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October 28, 1793: Eli Whitney applies for a patent for the cotton gin. History Onlin…
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constitutingamerica.org
March 14, 1794: Eli Whitney Receives a Patent for His Inventio…
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The Significance of the Cotton Gin and Its Impact on Enslavement | C…
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eGFI
eGFI – For Teachers » Activity: Who Invented the Cotton Gin?

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Cotton Gin Invention (The Complete History) - Science4Fun
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Who Invented the Cotton Gin? A Deeper Look into the History a…
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The Invention of the Cotton Gin: Exploring the Impact of Eli Whit…
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Invention of the Cotton Gin | Antebellum south, Cotton gin, Revolution art

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