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Cove lighting is a form of indirect lighting built into ledges, recesses, or valances in a ceiling or high on the walls of a room. It directs light up towards the ceiling and down adjacent walls. [1] It may be used as primary lighting, or for aesthetic accent, especially to highlight decorative ceilings.
The lantern over the dome of the Florence Baptistery, dated to 1150 [1] A cupola-shaped lantern on 16th-century Seville Cathedral, Andalusia, Spain. A roof lantern is a daylighting architectural element. Architectural lanterns are part of a larger roof and provide natural light into the space or room below.
Open ceiling dome – the translucent dome is suspended a short distance below the ceiling by a mechanism that is hidden with the exception of a screw-knob or other device appearing on the outer dome face, and pulling this knob releases the dome. Enclosed ceiling dome – the translucent dome mates with a ring that is mounted flush with the ...
Daylighting can cut lighting energy use in some buildings by up to 80%. [6] Toplighting (skylights) works well with sidelighting (windows) to maximize daylighting: toplighting is able to bring light into centralized areas of a building; daylight is available throughout the day from both ambient lighting from the sky and direct exposure to the sun.
Recessed lighting styles have evolved with more manufacturers creating quality trims for a variety of applications. Recessed lighting trim usually comes in the standard baffle in black or white, which is the most popular. [citation needed] They are made to absorb extra light and create a crisp architectural appearance.
The ceiling projector or cloud searchlight is used to measure the height of the base of clouds (called the ceiling) above the ground. It is used in conjunction with an alidade , usually positioned 1000 ft (300 m) away and wherever possible set at the same level.
Ceiling fans are usually installed in a space with other lighting fixtures, but if the fan is positioned too close to a light panel or fixture, a strobe or flicker effect may occur. A strobe or flicker effect is a phenomenon which occurs when light brightens and dims consistently as it penetrates and passes through a moving ceiling fan. [ 8 ]
Leading lights, also known as range lights in the United States, are a pair of light beacons used in navigation [2] to indicate a safe passage for vessels entering a shallow or dangerous channel; they may also be used for position fixing. At night, the lights are a form of leading line that can be used for safe navigation. The beacons consist ...