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The Official U.S. Casino Chip Price Guide, now in its 4th edition, covers chips from casinos in Nevada, Atlantic City, New Jersey, Colorado, Deadwood, South Dakota and the several Midwest States that permit Riverboat casinos. The Chip Rack, now in its 21st edition, attempts to include all chips and checks issued by casinos in the State of ...
The spectrum of light emitted from a fluorescent lamp is the combination of light directly emitted by the mercury vapor, and light emitted by the phosphorescent coating. The spectral lines from the mercury emission and the phosphorescence effect give a combined spectral distribution of light that is different from those produced by incandescent ...
American artist Dan Flavin (April 1, 1933 – November 29, 1996) was best known for creating minimalist sculptural objects and installations from commercially available fluorescent light fixtures. He created hundred of individual works and installations throughout his career, including editioned sculptures, permanent installations, and site ...
An open (single envelope) CFL [12] An encapsulated/closed (double envelope) CFL. Some fluorescent lamps emit ultraviolet radiation. [citation needed] The Health Protection Agency of the United Kingdom has conducted research concluding that exposure to open (single envelope) compact fluorescent lamps (CFLs) for over 1 hour per day at a distance of less than 30 cm can exceed guideline levels as ...
Cross section of a typical fluorescent lamp with and without a reflector. Some lamps have an internal opaque reflector. Coverage of the reflector ranges from 120° to 310° of the lamp's circumference. Reflector lamps are used when light is only desired to be emitted in a single direction, or when an application requires the maximum amount of ...
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