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Alexander Miles (May 18, 1838 – May 7, 1918) was an African American inventor and businessman, known for being awarded a patent for automatically opening and closing elevator doors. He was awarded U.S. patent 371,207 on October 11, 1887.
Alexander Miles: 1838 Improving method of opening and closing elevator doors [320] 2007 Alfred Einhorn: 1856 Novocain [321] 2007 Alpheus Babcock: 1785 Cast iron piano frame [322] 2007 Arthur Nobile: 1920 Prednisone [323] 2007 Auguste Lumière: 1862 Cinématographe [324] 2007 Charles Seeberger: 1857 Escalator [325] 2007 David Cushman: 1939 ...
Inventor Miles, Alexander: 1838–1918 Inventor Invented electric elevator doors that automatically open and close [148] Montgomery, Benjamin: 1819–1877 Inventor Designed a steam operated propeller to provide propulsion to boats in shallow water Moore, Willie Hobbs: 1934–1994 Physicist
Elevators remain important landmarks on the rural landscape, and preserving early examples provides lessons into our state’s past. 19th-century elevator provides a glimpse back to when Iowa was ...
Grain elevators are buildings or complexes of buildings for storage and shipment of grain. They were invented in 1842 in Buffalo, New York, by Joseph Dart, who first developed a steam-powered mechanism, called a marine leg, for scooping grain out of the hulls of ships directly into storage silos. [87] 1843 Ice cream maker (hand-cranked)
Alexander Miles (1838–1918), U.S. – system for automatically opening and closing elevator doors David L. Mills (1938–2024), U.S. – Fuzzball router , Network Time Protocol Marvin Minsky (1927–2016), U.S. – Confocal microscopy
Cyrus McCormick's reaper (invented in 1834) allowed farmers to quadruple their harvesting efficiency by replacing hand labor with a mechanical device. John Deere invented the steel plow in 1837, keeping the soil from sticking to the plow and making it easier to farm in the rich prairies of the Midwest. The harvester, self-binder, and combine ...
Elisha Graves Otis (August 3, 1811 – April 8, 1861) was an American industrialist and founder of the Otis Elevator Company. [1] In 1853, he invented a safety device that prevents elevators from falling if the hoisting cable fails.