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elevator, in machinery

(Encyclopedia)elevator, in machinery, device for transporting people or goods from one level to another. The term is applied to the enclosed structures as well as the open platforms used to provide vertical transpo...

Otis, Elisha Graves

(Encyclopedia)Otis, Elisha Graves, 1811–61, American inventor, b. Halifax, Vt. From his invention (1852) of an automatic safety device to prevent the fall of hoisting machinery he developed the first passenger el...

Sprague, Frank Julian

(Encyclopedia)Sprague, Frank Julian sprāg [key], 1857–1934, American electrical engineer, b. Milford, Conn., grad. Annapolis, 1878. He was an assistant to Thomas Edison in 1883 and independently created a superi...

Yonkers

(Encyclopedia)Yonkers yŏnˈkərz [key], city (1990 pop. 188,082), Westchester co., SE N.Y., on the east bank of the Hudson, in a hilly region just N of the Bronx (New York City); inc. 1855. Manufactures include ch...

Hutchinson

(Encyclopedia)Hutchinson. <1> City (2020 pop. 40,006), seat of Reno co., S central Kans., on the Arkansas River; inc. 1872. It is a commercial and industrial ...

Evans, Oliver

(Encyclopedia)Evans, Oliver, 1755–1819, American inventor, b. near Newport, Del. He joined his brothers in a flour-milling business in Wilmington, and after studying similar earlier devices, he developed, install...

In

(Encyclopedia)In, symbol for the element indium. ...

Vancouver, city, United States

(Encyclopedia)Vancouver, city (1990 pop. 46,380), seat of Clark co., SW Wash., on the Columbia River opposite Portland, Oreg., with which it is connected by bridges; inc. 1857. A rapidly growing suburb of Portland ...

Orenburg

(Encyclopedia)Orenburg chkäˈləf [key], city (1989 pop. 547,000), capital of Orenburg region, Central Asian Russia, on the Ural River. It is a major rail junction where the Trans-Caspian RR, the Central Asian RR,...

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