Uploaded March 2013 | Updated September 2026, 2 hours ago
In 1852, Elijah Otis designed the first safety elevator by re-purposing a flat leaf spring from a wagon, which allows us to build taller and safer buildings.
In 1852, Elijah Otis designed the first safety elevator by re-purposing a flat leaf spring from a wagon, which allows us to build taller and safer buildings.
