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Elisha Graves Otis (August 3, 1811 – April 8, 1861) was an American industrialist, founder of the Otis Elevator Company, and inventor of a safety device that prevents elevators from falling if the hoisting cable fails. He worked on this device while living in Yonkers, New York in 1852, and had a finished product in 1854.
Prosím, podělte se o své nápady s námi.
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