PBS8 年
Eli Whitney's cotton gin
click image for close-up In October of 1793, Eli Whitney sent a drawing of his new invention, the cotton gin, to Secretary of State Thomas Jefferson in application for a patent. Jefferson replied ...
Hackaday4 年
Turning A Problem Around: The Whitney Cotton Gin
If you went to elementary school in the United States, you no doubt learned about Eli Whitney’s cotton gin as an example of how the industrial revolution took previously manual processes and ...
ICTSD2 年
how whitney finally become rich?
His first meeting with the widow of a Revolutionary War general came as he boarded the boat on his way to his new job. Eli Whitney does not own slaves according to any historical evidence. His parents ...
PBS8 年
Cotton gin petition
On June 20, 1793, Eli Whitney, who had graduated from Yale the previous year, wrote to Secretary of State Thomas Jefferson, requesting a patent for his new invention, the cotton gin. The gin ...
Hackaday4 年
cotton gin
If you went to elementary school in the United States, you no doubt learned about Eli Whitney’s cotton gin as an example of how the industrial revolution took previously manual processes and ...