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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.
18th-century inventors (11 C, 4 P) Pages in category "18th-century inventions" The following 20 pages are in this category, out of 20 total.
In the late 18th century, the English textile industry had adopted the spinning jenny, water frame, and spinning mule which greatly improved the efficiency and quality of textile manufacture, but were closely guarded by the British government which forbade their export or the emigration of those who were familiar with the technology.
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.
Development of the Watt steam engine in the late 18th century was an important element in the Industrial Revolution in Europe. The American Revolutionary War took place in the late 18th century. The 18th century lasted from 1 January 1701 (represented by the Roman numerals MDCCI) to 31 December 1800 (MDCCC).
18th; 19th; 20th; 21st; 22nd; 23rd; Pages in category "18th-century American inventors" The following 26 pages are in this category, out of 26 total. This list may ...
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.
The United States of America came into being around the Age of Enlightenment (1685 to 1815), an era in Western philosophy in which writers and thinkers, rejecting the perceived superstitions of the past, instead chose to emphasize the intellectual, scientific and cultural life, centered upon the 18th century, in which reason was advocated as ...