2 ч 7 мин, 28 окт 1793 г. - Invention of the cotton grain

Описание:

In 1793 Eli Whitney he invented a simple machine and that it would in influence the United States And he invented a machine call the cotton grain and it was popular in the south.It was important invention cause it dramatically it reduced and the amount of it time it took to separate cotton seeds and from cotton fiber.

Добавлено на ленту времени:

Дата: