1800-1850
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Inventors and Inventions: 1801 to 1850.
Count Alessandro Volta (1745-1827) was an Italian physicist who invented the chemical battery in 1800.
Linus Yale Jr. (1821-1868) was an American mechanical engineer who developed the cylinder pin-tumbler lock.
The safety pin was invented by Walter Hunt in 1849. He patented the safety pin on April 10, 1849.
Cyrus Hall McCormick (February 15, 1809 - May 13, 1884) was an American inventor who developed the mechanical reaper.
'The Invention of the Light Bulb: Davy, Swan, and Edison'. The first electric light was made in 1800 by Humphry Davy.
Elijah McCoy (1843 or 1844-1929) was a mechanical engineer and inventor.
Lewis Howard Latimer (1848-1928) was an African-American engineer and inventor.
Norbert Rillieux (1806-1894) was an African-American inventor and engineer who revolutionized sugar processing.
Color in this picture of Thomas Edison (1847-1931), perhaps the most famous inventor of the early 20th century.
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