20 фев 1793 г. - Cotton Gin
Описание:
The invention of the cotton gin in 1793 was a major boon for anyone interested in growing cotton. The machine separates cotton seeds from cotton fibers, multiplying the amount of cotton processed in a day by about 50 times. The invention and development of interchangeable parts was another major advance toward standardizing the nations manufactured products. The cotton gin made cotton king for profitability and had the effect of dramatically expanding the slave system into new territories.
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