WCJB TV2052 分钟
Parent upset after she says teacher had students pick cotton during history lesson
A North Carolina mother says her middle school student was asked to pick cotton during a lesson about the Industrial ...
WBTV on MSN7 小时
Union County parent upset, after she says teacher had students pick cotton during history ...
A Union County mother said her Porter Ridge Middle School student was asked to pick cotton during a lesson about the ...
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 ...
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 ...
Hackaday5 年
Turning A Problem Around: The Whitney Cotton Gin
The development of the cotton gin — patented in 1794 — involves an interesting lesson about solving engineering problems. Farmers in the southern United States had a big problem. Tobacco was a ...
On This Day, March 14: FBI's 'Most Wanted Fugitives' list debuts
In 1794, Eli Whitney was granted a patent for the cotton gin. In 1812, the U.S. government authorized the issue of America's ...
Hackaday14 天
interchangeable parts
The development of the cotton gin — patented in 1794 — involves an interesting lesson about solving engineering problems. Farmers in the southern United States had a big problem. Tobacco was a ...
Daily Courier8 天
Highlights in History: March 14
In 1879, physicist Albert Einstein was born in Ulm, Germany. In 1883, German political philosopher Karl Marx died in London at age 64. In 1885, the Gilbert and Sullivan comic opera “The Mikado” ...