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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 ...
Tritium radioluminescence. Radioluminescent 1.8- curie (67 GBq) 6-by-0.2-inch (152.4 mm × 5.1 mm) tritium vials are tritium gas-filled, thin glass vials with inner surfaces coated with a phosphor. Tritium radioluminescence is the use of gaseous tritium, a radioactive isotope of hydrogen, to create visible light.
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 ...
We tested LED flashlights by measuring their lumens, beam drop-off, and beam pattern—plus their battery life and durability. These eight are worth your money.
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.
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 ...
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