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A test conducted on January 24, 2013 Opening on March 6, 2013 A time lapse image of Market Street, with The Bay Lights in the background. The Bay Lights was a site-specific monumental light sculpture and generative art installation on the western span of the San Francisco–Oakland Bay Bridge, designed to commemorate the 75th anniversary of its opening.
A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.
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]
A light fixture or luminaire is a technical and professional term for the electrical fixtures used to hold a lamp—a light bulb—the light source. Wikimedia Commons has media related to Lighting fixtures .
The interior of the light, including the lens, was a total loss, and it was completely gutted and automated with a new acrylic lens the following year. In 2006, the light, like many others on the bay, was offered at auction, and it was purchased by Michael Gabriel, a Nevada-based lawyer who announced plans to renovate the interior.
The original light was a fixed white light from a 4th order catadioptric apparatus with an intensity of less than 1,000 cd. It was staffed by one keeper. In 1928 the apparatus was converted to a carbide lamp (acetylene gas), with an intensity of 1,500 cd. At the same opportunity, the light was automated. The pilot station was closed in the 1960s.