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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.
The Municipal Light Plant is a historic building in the Arena District of Downtown Columbus, Ohio. It was listed on the National Register of Historic Places in 2015. The structure includes an early 20th century Romanesque Revival building and a mid-20th century Art Deco addition.
Taking down a streetcar arch at Broad and Wall streets, 1915. Arches were first used on streets in Columbus in 1888. The Grand Army of the Republic (G.A.R.), a national veterans organization, held its 22nd annual convention in the city that year, bringing about 250,000 people to the city that had held a population of about 90,000.
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 ...
It sells performance auto parts, aftermarket accessories, tools, and race apparel. JEGS was founded by Jeg Coughlin Sr. in 1960 as a small speed shop. [1] Jeg's remained family owned and operated until 2022 when a majority stake of the company was purchased by Greenbriar Equity Group .
Circular and U-shaped lamps were devised to reduce the length of fluorescent light fixtures. The first fluorescent light bulb and fixture were displayed to the general public at the 1939 New York World's Fair. The spiral CFL was invented in 1976 by Edward E. Hammer, an engineer with General Electric, [7] in response to the 1973 oil crisis. [8]
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