2 ore 22 min, 1 gen 1807 anni - cotton gin

Descrizione:

Eli Whitney (1765–1825) applied for a patent of his cotton gin on October 28, 1793; the patent was granted on March 14, 1794, but was not validated until 1807.

Cotton gin. Image. Britannica School, Encyclopædia Britannica, 1 Nov. 2017. school.eb.com/levels/high/assembly/view/5018. Accessed 19 Jan. 2018.

Aggiunto al nastro di tempo:

31 gen 2018

0

0

413

north and south timeline

Data: