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1 сент 1793 г. - Cotton gin invented

Описание:

an invention that made a big step towards machine usage in America, and the slave trade.

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.

Добавлено на ленту времени:

6 дек 2017
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Дата:

1 сент 1793 г.
Сейчас
~ 232 г назад

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