Historical Marker

Industry vs Manpower

Derry, Natchitoches County · Louisiana

Eli Whitney won his cotton gin patent on March 14, 1794 and made little from it. Planters copied the machine freely, and the patent was not validated until 1807, with only a year left to run. Hodgen Holmes patented a saw-toothed improvement in 1796, which courts later nullified, naming Whitney the inventor. Whitney hoped the gin would reduce labor, but profit drove planters to buy more enslaved people: the enslaved population grew from about 700,000 in 1790 to about 3.2 million in 1850, while cotton rose from 750,000 bales in 1830 to 2.85 million in 1850.

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31.54763, -92.94103 · Directions

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