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 ...
Las Vegas News on MSN
The bizarre true story behind the invention of the elevator
You probably don't think twice when stepping into an elevator. It's just there, ready to whisk you up to your hotel room on ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results