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  2. Halogen lamp - Wikipedia

    en.wikipedia.org/wiki/Halogen_lamp

    Tungsten-halogen lamps are frequently used as a near-infrared light source in Infrared spectroscopy. Halogen lamps were used on the Times Square Ball from 1999 to 2006. However, from 2007 onward, the halogen lamps were replaced with LEDs , due to the much longer lifespan, about ten times longer for LED over incandescent. [ 32 ]

  3. Metal-halide lamp - Wikipedia

    en.wikipedia.org/wiki/Metal-halide_lamp

    Like other gas-discharge lamps such as the very-similar mercury-vapor lamps, metal-halide lamps produce light by ionizing a mixture of gases in an electric arc.In a metal-halide lamp, the compact arc tube contains a mixture of argon or xenon, mercury, and a variety of metal halides, such as sodium iodide and scandium iodide. [7]

  4. FEL lamp - Wikipedia

    en.wikipedia.org/wiki/FEL_lamp

    The FEL lamp (less accurately called a light bulb) is an ANSI standard 1000 watt quartz halogen lamp with a G9.5 medium 2-pin base used in many stage and studio lights that costs around $12 and is available from a number of manufacturers including GE, Osram, Ushio, Eiko, and Philips. Note that the term FEL is an ANSI designation (not an acronym ...

  5. Hydrargyrum quartz iodide - Wikipedia

    en.wikipedia.org/wiki/Hydrargyrum_quartz_iodide

    An HQI lamp consists of a protective outer glass shield surrounding two heavy wires which are inserted into each end of a smaller inner quartz arctube containing argon, mercury and metal halides. The lamp is powered by an electrical ballast , which regulates the current flow through the arc in the arctube, and an ignitor, to make the high ...

  6. Cornwell Tools - Wikipedia

    en.wikipedia.org/wiki/Cornwell_Tools

    Cornwell Quality Tools is an American privately held company manufacturing tools for the automotive and aviation industries. [1] The company is currently based in Wadsworth, Ohio . Cornwell remains as one of two remaining mobile tool companies that still produce their own hand tools in house at their Albion, Pennsylvania foundry and Mogadore ...

  7. Multifaceted reflector - Wikipedia

    en.wikipedia.org/wiki/Multifaceted_reflector

    Left to right: MR16 with GU10 base, MR16 with GU5.3 base, MR11 with GU4 or GZ4 base Line drawing of an LED MR16 lamp, with a heatsink rather than a reflector. A multifaceted reflector (often abbreviated MR) light bulb is a reflector housing format for halogen as well as some LED and fluorescent lamps.