14 май 1793 г. - Cotton gin

Описание:

whitney invents the cotton gin that can creat 50 pounds a day to get all the seeds out

http://school.eb.com/levels/middle/assembly/view/215382

Cotton gin. Image. Britannica School, Encyclopædia Britannica, 1 Nov. 2017. school.eb.com/levels/middle/assembly/view/215304. Accessed 19 Jan. 2018.

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