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Elevator design by the German engineer Konrad Kyeser (1405). The earliest known reference to an elevator is in the works of the Roman architect Vitruvius, who reported that Archimedes (c. 287 BC – c. 212 BC) built his first elevator probably in 236 BC. [2]
The elevators in a skyscraper are not simply a necessary utility like running water and electricity, but are in fact closely related to the design of the whole structure. A taller building requires more elevators to service the additional floors, but the elevator shafts consume valuable floor space.
Inclined elevator design is based on the same basic technology as conventional, vertical elevator. [6] In general standard elevator equipment can be adapted for systems with an inclines up 10° from vertical, while an incline with more than 20° from vertical will require some additional adaptation. [1]
A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.
Early skyscrapers emerged in the United States as a result of economic growth, the financial organization of American businesses, and the intensive use of land. [9] New York City was one of the centers of early skyscraper construction and had a history as a key seaport located on the small island of Manhattan, on the east coast of the U.S. [10] As a consequence of its colonial history and city ...
Alexander Miles was born on May 18, 1838 Pickaway County, Ohio, [1] the son of Michael and Mary Miles. [2] He was African-American.Miles may have resided in the nearby town of Chillicothe, Ohio, [3] but subsequently moved to Waukesha, Wisconsin, where he earned a living as a barber. [4]
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