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Top 101 Black Inventors & African American's Best Invention Ideas that Changed The World
his most famous invention: the Jenny coupler. The Jenny coupler automatically linked and locked two train cars as they bumped into each other, eliminating the need for workers to manually insert a metal pin
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Top 101 Female Inventions that Changed the World & Women’s Innovation History
passion for reducing air pollution and improving conditions in urban areas, Mary Walton developed a train chimney system in 1879 that reduced air pollution. Water was used to filter smoke, and the airborne
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Top 100 Famous Female Inventors in History & Modern Women Inventors
With her passion for improving air pollution and urban conditions, Mary Walton developed the train chimney station in 1879 that helped lessen pollution in the air by using water to filter smoke, trapping and
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100 Famous Inventors and Their Best Invention Ideas
to the public until at least 1818. In later years, he accepted an offer from Johann Anton André to train others about the lithographic process. The king of Bavaria also gave him a good pension. 19. Sir William