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2. Gooseneck (fixture) - Wikipedia

   en.wikipedia.org/wiki/Gooseneck_(fixture)

   Gooseneck (fixture) A lamp using a gooseneck. A gooseneck is a semi-rigid, flexible joining element made from a coiled metal hose. Similar to its natural counterpart, it can be bent in almost any direction and remain in that position. [1] Areas of application for goosenecks are movable brackets for lights, magnifying glasses, microphones and ...

3. Gooseneck lamp - Wikipedia

   en.wikipedia.org/wiki/Gooseneck_lamp

   A gooseneck lamp. A gooseneck lamp is a type of light fixture in which a lamp or lightbulb is attached to a flexible, adjustable shaft known as a "gooseneck" to allow the user to position the light source without moving the fixture or item to be illuminated. [1] Gooseneck lamps are often used to position a light for reading, or in industry, to ...

4. Neon sign - Wikipedia

   en.wikipedia.org/wiki/Neon_sign

   The next major technological innovation in neon lighting and signs was the development of fluorescent tube coatings. [22] Jacques Risler received a French patent in 1926 for these. [5] Neon signs that use an argon/mercury gas mixture emit a good deal of ultraviolet light. When this light is absorbed by a fluorescent coating, preferably inside ...

5. Neon lighting - Wikipedia

   en.wikipedia.org/wiki/Neon_lighting

   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.

6. Bardic lamp - Wikipedia

   en.wikipedia.org/wiki/Bardic_lamp

   Bardic lamp. The Bardic Rail Signalling Lamp was the original name of a particular type of electric railway signalling handlamp made from 1962 by Bardic, Ltd. [1] for use by rail and trackside workers. The lamp provided the colours red, green, yellow and white. Today, it refers to any lamp used for signalling that gives red, green, yellow and ...

7. Tritium radioluminescence - Wikipedia

   en.wikipedia.org/wiki/Tritium_radioluminescence

   Tritium radioluminescence is the use of gaseous tritium, a radioactive isotope of hydrogen, to create visible light. Tritium emits electrons through beta decay and, when they interact with a phosphor material, light is emitted through the process of phosphorescence. The overall process of using a radioactive material to excite a phosphor and ...