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2. Halogen lamp - Wikipedia

   en.wikipedia.org/wiki/Halogen_lamp

   A halogen lamp (also called tungsten halogen, quartz-halogen, and quartz iodine lamp) is an incandescent lamp consisting of a tungsten filament sealed in a compact transparent envelope that is filled with a mixture of an inert gas and a small amount of a halogen, such as iodine or bromine. The combination of the halogen gas and the tungsten ...

3. Hospital for Special Surgery - Wikipedia

   en.wikipedia.org/wiki/Hospital_for_Special_Surgery

   Hospital for Special Surgery (HSS) is an academic medical center and research institution headquartered in New York City that specializes in the treatment of orthopedic and rheumatologic conditions. Its main campus is located at 535 East 70th Street in Manhattan and there are locations in New York , New Jersey , Connecticut , and Florida .

4. Metal-halide lamp - Wikipedia

   en.wikipedia.org/wiki/Metal-halide_lamp

   Metal-halide lamp. Metal halide lamp bulb (type /O with arc tube shield) A common spectrum of metal halide lamps in North America. Metal halide floodlights at a baseball field. Metal halide lamps were invented by Charles Proteus Steinmetz in 1912 and are now used in almost every city in the world. A metal-halide lamp is an electrical lamp that ...

5. Phase-out of incandescent light bulbs - Wikipedia

   en.wikipedia.org/wiki/Phase-out_of_incandescent...

   60 W incandescent light bulb with energy efficiency class E Equivalent 42 W halogen incandescent light bulb with efficiency class C Compact fluorescent lamp LED lamp. Various governments have passed legislation to phase out manufacturing or importation of incandescent light bulbs for general lighting in favor of more energy-efficient alternatives.

6. Lighting Your Workspace and Home When You Have Low Vision - WebMD

   www.webmd.com/eye-health/what-to-know-about...

   Halogen bulbs that give off heat: Be careful with halogen or "tungsten-halogen" bulbs. These bulbs can be a good option for someone with low vision because they are very bright, create contrast ...

7. Hydrargyrum medium-arc iodide lamp - Wikipedia

   en.wikipedia.org/wiki/Hydrargyrum_medium-arc...

   Hydrargyrum medium-arc iodide ( HMI) is the trademark name of Osram 's brand of metal-halide gas discharge medium arc-length lamp, [1] made specifically for film and entertainment applications. Hydrargyrum comes from the Greek name for the element mercury . An 18kW HMI Bulb. An HMI lamp uses mercury vapour mixed with metal halides in a quartz ...