Ad
related to: inventions from the 1800's and slavery were made
Search results
Results From The WOW.Com Content Network
Prior to the mid 18th-century, catheters were made of wood or stiffened animal skins which were not conducive to navigating the anatomical curvature of the human urethra. Extending his inventiveness to his family's medical problems, Benjamin Franklin invented the flexible catheter in 1752 when his brother John suffered from bladder stones.
The invention of the cotton gin by American inventor Eli Whitney, combined with the widespread prevalence of slavery in the United States and U.S. settler expansion made cotton potentially a cheap and readily available resource for use in the new textile industry.
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
This invention -- Eli Whitney received a patent for his cotton gin on March 14, 1794. For the first time, American plantation owners would be able to harvest large amounts of cotton profitably.
The number of slaves rose in concert with the increase in cotton production, increasing from around 700,000 in 1790 to around 3.2 million in 1850. [37] The invention of the cotton gin led to increased demands for slave labor in the American South, reversing the economic decline that had occurred in the region during the late 18th century. [38]
According to historical records, these navigational chariots were used until the year 1300, and were essential for long journeys and reconnaissance expeditions. Image credits: Kateryna Shkarlat ...
Whitney's invention made upland short cotton into a profitable crop, which strengthened the economic foundation of slavery in the United States and prolonged the institution. Despite the social and economic impact of his invention, Whitney lost much of his profits in legal battles over patent infringement for the cotton gin.
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.