in 1889
Elevator auto-homing sends the elevator to a predetermined floor when not in use. This is usually the first floor. Hydraulic jacks and cables raises and lowers the elevator cars.
the elevator is what makes the the aircraft go up or down.
To not have to walk
On March 23, 1857 the first Otis passenger elevator was installed was at 488 Broadway in New York City.
It was invented in 1864
in 1889
the otis company
American engineer Frank J. Sprague, was an early proponent EMUs in 1897. Werner von Siemens invented the Electric Elevator in 1880
The first electric elevator was built by Werner von Siemens in 1880.
Electric elevator was invented by German inventor Werner Von Siemen in 1880. So,Leopoldhas nothing to do with inventing elevator- Tashita.
Elisha Otis invented the elevator in 1854.
While Elisha (Eli) Otis invented the elevator brakes, the elevator was invented by someone else.
gidel moreno was the first lady who invented the elevator
the Otis-dominated elevator industry kept pace with developments of its own, introducing the hydraulic elevator in 1878, the electric elevator in 1889, and the gearless traction electric elevator in 1903.
The elevator brake was invented in 1852 by Elisha Graves
in 1850 who invented the elevator in mew york