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Electric Elevator

Electric Elevator

An elevator or lift is a vertical transport vehicle that efficiently moves people or goods between floors of a building. They are generally powered by electric motors that either drive traction cables and counterweight systems, or pump hydraulic fluid to raise a cylindrical piston.

The first reference to an elevator is in the works of the Roman architect Vitruvius, who reported that Archimedes built his first elevator, probably in 236 B.C. In the 17th century the prototypes of elevators were located in the palace buildings of England and France.

In 1852, Elisha Otis introduced the safety elevator, which prevented the fall of the cab if the cable broke.

The first electric elevator was constructed by the German engineer Werner von Siemens in 1880.