On Sept. 20, 1853, Elisha Graves Otis sold his first “hoist machine,” or elevator, featuring an automatic safety brake he had patented. His seemingly simple invention was designed to stop a platform ...
Riding in an elevator used to be dangerous business — until Elisha Otis, of Otis Elevator Company fame, invented a device that could prevent a passenger elevator from falling if its rope broke. It ...
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