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Transom or transom window is also the customary U.S. word used for a transom light, the window over this crosspiece. [ 1 ] [ 2 ] In Britain , the transom light is usually referred to as a fanlight , often with a semi-circular shape, especially when the window is segmented like the slats of a folding hand fan .
The history of electric light is well documented, [11] and with the developments in lighting technology the profession of lighting developed alongside it. The development of high-efficiency, low-cost fluorescent lamps led to a reliance on electric light and a uniform blanket approach to lighting, but the energy crisis of the 1970s required more design consideration and reinvigorated the use of ...
In 1858, the whale oil lamps were replaced by the light from a single kerosene lantern magnified by a Fresnel lens; this specialized, curved glass lens created a highly visible, fixed white light. In 1880, the original 1821 stone keeper's-house (adjacent to the lighthouse) was replaced with the present large wood-frame Keeper's House.
A lantern is a source of lighting, often portable. It typically features a protective enclosure for the light source – historically usually a candle, a wick in oil, or a thermoluminescent mesh, and often a battery-powered light in modern times – to make it easier to carry and hang up, and make it more reliable outdoors or in drafty interiors.
A kerosene lantern, also known as a "barn lantern" or "hurricane lantern", is a flat-wick lamp made for portable and outdoor use. They are made of soldered or crimped-together sheet-metal stampings, with tin-plated sheet steel being the most common material, followed by brass and copper. There are three types: dead-flame, hot-blast, and cold-blast.
A sconce or wall light is a decorative light fixture that is mounted to a wall. [1] The sconce is a very old form of fixture, historically used with candles and oil lamps . They can provide general room lighting, and are common in hallways and corridors, but they may be mostly decorative. [ 1 ]
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