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.

Elevator Car

An elevator or lift is a vertical transport vehicle that efficiently moves people or goods between floors…

A diagram illustrating an elevator or a lift used by Landis Company. The counter weights are adjusted on the pulley to raise or lower the lift the platform.

Lift or Elevator Diagram

A diagram illustrating an elevator or a lift used by Landis Company. The counter weights are adjusted…

An illustration of a dumb waiter which is a moveable frame in a shaft which is suspended by a rope on a pulley. Dumb waiters are a smaller version of an elevator.

Dumb Waiter

An illustration of a dumb waiter which is a moveable frame in a shaft which is suspended by a rope on…

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 BC. In some literary sources of later historical periods, elevators were mentioned as cabs on a hemp rope and powered by hand or by animals. It is supposed that elevators of this type were installed in the Sinai monastery of Egypt.

Elevating Apparatus

The first reference to an elevator is in the works of the Roman architect Vitruvius, who reported that…

A mechanical contrivance for lifting grain, goods or persons to an upper floor.

Elevator

A mechanical contrivance for lifting grain, goods or persons to an upper floor.

Waterman's elevator.

Elevator

Waterman's elevator.

An illustration of an elevator entrance.

Elevator Entrance

An illustration of an elevator entrance.

This sign is used to indicate that an elevator is located nearby.

Elevator, Black and White

This sign is used to indicate that an elevator is located nearby.

This sign is used to indicate that an elevator is located nearby.

Elevator, Black and White

This sign is used to indicate that an elevator is located nearby.

This sign is used to indicate that an elevator is located nearby.

Elevator, Black and White

This sign is used to indicate that an elevator is located nearby.

An illustration of a type of elevator composed of a small pulley used in this case to lift brick and mortar.

Brick and Mortar Elevator

An illustration of a type of elevator composed of a small pulley used in this case to lift brick and…

This sign is used to indicate that an elevator is located nearby.

Elevator, Color

This sign is used to indicate that an elevator is located nearby.

"General arrangement of roping for gearless traction elevator installation." -Bodmer, 1917

Gearless Traction Elevator

"General arrangement of roping for gearless traction elevator installation." -Bodmer, 1917

A ladder is a vertical or inclined set of rungs or steps. There are two types: rigid ladders that can be leaned against a vertical surface such as a wall, and rope ladders that are hung from the top.

Six Step Ladder

A ladder is a vertical or inclined set of rungs or steps. There are two types: rigid ladders that can…