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.
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the elevator is what makes the the aircraft go up or down.
in 1889
To not have to walk
On March 23, 1857 the first Otis passenger elevator was installed was at 488 Broadway in New York City.
Werner von Siemens invented the world's first electric elevator. It was invented on 1880 and presented at the Mannheim Pfalzgau exhibition.