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14 marzo 1793 anni - When the cotton gin was made

Descrizione:

One man could make 50 pounds of day in stead of 1 pound a day




“Harper’s Weekly”: black slaves working the first cotton gin. Image. Britannica School, Encyclopædia Britannica, 1 Nov. 2017. school.eb.com/levels/middle/assembly/view/181816. Accessed 19 Jan. 2018.

Aggiunto al nastro di tempo:

1 feb 2018

Data:

14 marzo 1793 anni
Adesso
~ 231 years ago

Immagini: