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1904 photograph illustrating interior lighting by the first installation of Moore tubes in a hardware store in Newark, New Jersey. Moore had devised his glow discharge lighting system by 1896. [1] The Moore Lamp was an extension of the well-known Geissler tube, which used glass tubes from which the air had been removed and a different gas ...
1962 Nick Holonyak Jr. develops the first practical visible-spectrum (red) light-emitting diode. 1963 Kurt Schmidt invents the first high pressure sodium-vapor lamp. [18] 1972 M. George Craford invents the first yellow light-emitting diode. 1972 Herbert Paul Maruska and Jacques Pankove create the first violet light-emitting diode.
[1] By 1893, New York City had 1,535 electric arc street lights. [1] In New Orleans, arc lamps were used for street lighting starting in 1881. In 1882, the New Orleans Brush Lighting Company installed one hundred 2,000-candlepower arc lamps along five miles of wharf and riverfront; by 1885, New Orleans had 655 arc lights. [1]
The Westinghouse Lamp Plant located in Bloomfield, New Jersey, was one of the lamp manufacturing plants of Westinghouse Electric Corporation. [1] The plant had a major involvement in supplying uranium metal for the world's first self-sustaining chain reaction in Chicago ( Chicago Pile-1 ) in the early phase of the Manhattan Project to create ...
The Sandy Hook Lighthouse, located about one and a half statute miles (2.4 km) inland from the tip of Sandy Hook, New Jersey, is the oldest working lighthouse in the United States. [4] It was designed and built on June 11, 1764 by Isaac Conro .
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The north tower light was discontinued in 1898; at the same time the south tower was electrified, one of the first lighthouses in the United States to do so. It was automated in 1949, but was discontinued in 1952 as the importance of the light diminished. In 1962, the site was turned over to the state of New Jersey, by the Borough of Highlands. [8]
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