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Neon sign. The neon sign is an evolution of the earlier Geissler tube, [11] which is a sealed glass tube containing a "rarefied" gas (the gas pressure in the tube is well below atmospheric pressure). When a voltage is applied to electrodes inserted through the glass, an electrical glow discharge results.
Piccadilly Circus, London, 1962. Neon lighting consists of brightly glowing, electrified glass tubes or bulbs that contain rarefied neon or other gases. Neon lights are a type of cold cathode gas-discharge light. A neon tube is a sealed glass tube with a metal electrode at each end, filled with one of a number of gases at low pressure.
A Geissler tube is a precursor to modern gas discharge tubes, demonstrating the principles of electrical glow discharge, akin to contemporary neon lights, and central to the discovery of the electron. [1]: 67 This device was developed in 1857 by Heinrich Geissler, a German physicist and glassblower. A Geissler tube is composed of a sealed glass ...
A neon-sign transformer (NST) is a transformer made for the purpose of powering a neon sign. They convert mains voltage in the range 120-347 V up to high voltages, in the range of 2 to 15 kV. These transformers supply between 18-30 mA; 60 mA on special order. [1] The high-voltage electricity produced is used to excite neon or other gases are ...
The White Stag sign, also known as the "Portland Oregon" sign, is a lighted neon -and- incandescent-bulb sign located atop the White Stag Building, at 70 NW Couch Street in downtown Portland, Oregon, United States, facing the Burnside Bridge. The sign faces westbound traffic as it enters downtown Portland coming across the Willamette River.
Parent (s) Alexander Davis Moore. Maria Louisa Douglas Moore. Daniel McFarlan Moore (February 27, 1869 – June 15, 1936) was an American electrical engineer and inventor. He developed a novel light source, the "Moore lamp", and a business that produced them in the early 1900s. The Moore lamp was the first commercially viable light-source based ...
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