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June 15, 2024
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14 marzo 1794 anni - south- cotton gin

Descrizione:

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.

Aggiunto al nastro di tempo:

31 gen 2018
0
0
474

Data:

14 marzo 1794 anni
Adesso
~ 230 years ago

Immagini: