West Orange

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West Orange, township (town), Essex county, northeastern New Jersey, U.S., about 4 miles (6 km) northwest of Newark. It was part of Orange until set off in 1863 as the township of Fairmount (later renamed West Orange). The town is widely known for its association with the inventor Thomas A. Edison, who lived and worked there for more than 40 years.

Edison National Historic Site, created in 1962, preserves the Edison Laboratory (1887) and Glenmont, Edison’s home from 1886 to 1931. At the laboratory Edison worked on numerous inventions, including silent and sound motion pictures and the phonograph. The 29-room Glenmont is about 1 mile (1.6 km) from the laboratory in an area of West Orange called Llewellyn Park, which is considered the forerunner of the modern garden-type suburban development.

West Orange is now largely a residential suburb of the New York City region. Light manufactures include electrical appliances and batteries. Eagle Rock Reservation, a county park, contains Eagle Rock, a 644-foot (196-metre) elevation in the Orange Mountains used by General George Washington as an observation post during the American Revolution. The Kessler Institute for Rehabilitation is in West Orange. Inc. town, 1900. Pop. (2000) 44,943; (2010) 46,207.