Elevator History
A detailed Summary of Elevator History
An elevator is a mechanism for moving people and freight from level to level in a building
or any other structure. The first elevator-like structure was built in 236 BC by the
Archimeds. This construction was a hoist operated by ropes and pulleys. However, the
first pragmatic elevator was not developed until the 19th century. Though sensible, this
elevator has been modified many times throughout the course of history and is still
updated with all of the new advancements in math and technology. From the start of the
production of elevators through today, there have been numerous and boundless
improvements made on their structure and how they operate: all due to the advancement
The first elevator developed was known as a manual elevator. This system of
elevators used "relay logic". Relay logic was a simple wiring based on circuits. This type
of elevator did not transfer people from one level to another, only cargo.
The second type of elevators was developed in the 1800s. These elevators were
powered by steam. At first, these elevators were used solely to transport freight in
factories and ore in mines. Unfortunately, these elevators required a safety device to

progression, along with that of the push-button controls were key introductory elements
controlling the elevator's destination was applied. This system was called automatic car
application in 1889. This presentation took place in one of New York's finest buildings,
In 1915, eleven years after the push-button controls, the first automatic system of
Time-Life building (1971). By this time, elevators had vastly ameliorated, but
Operated by means of a vertical plunger, this elevator traveled up and down a cylinder
if both sets of doors are shut. In nearly all buildings, elevators contain photoelectric
pressure exerted upon a liquid is transmitted in all directions at the same magnitude. This
Some common words found in the essay are:
Automatic Elevator, Pascal's Law, England It's, BC Archimeds, Graves Otis, , elevator developed, type elevator, automatic system, push-button controls, hydraulic elevators, steam powered elevators, manual elevator, mathematics technology, steam powered, powered elevators, transporting people,
Approximate Word count = 1351
Approximate Pages = 5 (250 words per page double spaced)
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