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2. Emergency light - Wikipedia

   en.wikipedia.org/wiki/Emergency_light

   An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. In the United States, emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories, apartments, and hotels. Most building codes in the US require that they be ...

3. Mechanically powered flashlight - Wikipedia

   en.wikipedia.org/.../Mechanically_powered_flashlight

   Mechanically powered flashlights were distributed by aid organizations to survivors of the 2010 Haiti earthquake since electric power was lost for a long period. A mechanically powered flashlight (UK: mechanically powered torch) is a flashlight that is powered by electricity generated by the muscle power of the user, so it does not need ...

4. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   Flashlight. A set of LED flashlights. The angle-head flashlight (Fulton MX-991U) on the left uses an incandescent bulb, while the adjustable angle-head flashlight (Streamlight Sidewinder) on the right uses LEDs to give white, red, blue, and infrared light. A flashlight (US English) or electric torch (Commonwealth English), usually shortened to ...

5. Fulton MX991/U Flashlight - Wikipedia

   en.wikipedia.org/wiki/Fulton_MX991/U_Flashlight

   The MX-991/U Flashlight (aka GI Flashlight, Army flashlight, or Moonbeam[1]) from the TL-122 military flashlight series of 1937-1944 and is a development of the MX-99/U flashlight issued in 1963 [clarification needed]. In use since the Vietnam War, the MX-991/U has been made by various contractors over the years, including GT Price, Bright Star ...

6. Maglite - Wikipedia

   en.wikipedia.org/wiki/Maglite

   Maglite 2 D cell flashlight. Maglite (also spelled Mag-Lite, stylized as MAG-LITE) is a brand of flashlight manufactured in the United States by Mag Instrument, Inc. located in Ontario, California, and founded by Anthony Maglica. It was introduced in 1979. [1][2] Constructed principally of anodized 6061 aluminum, they have a variable-focus beam ...

7. High-intensity discharge lamp - Wikipedia

   en.wikipedia.org/wiki/High-intensity_discharge_lamp

   15 kW xenon short-arc lamp used in IMAX projectors. High-intensity discharge lamps (HID lamps) are a type of electrical gas-discharge lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube. [1] This tube is filled with noble gas and ...