14 mar 1794 año - south- cotton gin
Descripción:
separates cotton fibers from their seeds allowing much greater productivity than manual cotton separation help one man to do 50 pounds a day
Cotton gin. Image. Britannica School, Encyclopædia Britannica, 1 Nov. 2017. school.eb.com/levels/middle/assembly/view/215304. Accessed 20 Jan. 2018.
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fecha:
14 mar 1794 año
Ahora mismo
~ 230 years ago
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