Pavement light
Pavement lights (UK), vault lights (US), floor lights, or sidewalk prisms are flat-topped walk-on skylights, usually set into pavement (sidewalks) or floors to let sunlight into the space below. They often use anidolic lighting prisms to throw the light sideways under the building. They were developed in the 19th century, but declined in popularity with the advent of cheap electric lighting. Older cities and smaller centers around the world have or have had pavement lights. Most such lights are approximately a century old, although lights are being installed in some new construction.
1854 in scienceAnidolic lightingArchitectural glassComposite glassDaylightingDeck prismFloorlightFloorlightsGlass brickGlass floorM.A. Donohue & Co.Pavement lightsPavement prismsPortuguese pavementPrism lightingSeattle UndergroundSidewalk lightSidewalk prismSidewalk prismsSkylightThaddeus HyattVault lightVault lights
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Pavement light
Pavement lights (UK), vault lights (US), floor lights, or sidewalk prisms are flat-topped walk-on skylights, usually set into pavement (sidewalks) or floors to let sunlight into the space below. They often use anidolic lighting prisms to throw the light sideways under the building. They were developed in the 19th century, but declined in popularity with the advent of cheap electric lighting. Older cities and smaller centers around the world have or have had pavement lights. Most such lights are approximately a century old, although lights are being installed in some new construction.
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Pavement lights (UK), vault li ...... lled in some new construction.
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A transport station with bench ...... ous rectangles of vault lights
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A wedge of glass, in cross-sec ...... wedge and continues downwards.
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Large bathroom with chairs and a free-standing radiator, lit by flat skylights
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Large high-ceilinged space wit ...... , clock central in foreground.
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Like image one, but the three ...... lel, not overlapping, courses.
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Two black-rimmed squares of gl ...... creasing successively in size.
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View of the underside of the vault-light floor, supported by tapered concrete beams
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A bathroom lit by vault lights
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Lenses with multiple rows of p ...... rmoured with malleable plastic
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Ray diagram of the three dissi ...... ion for more diffuse lighting.
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The 1910 Pennsylvania Station ...... hts, floored with vault lights
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The outside, showing the same vault lights from above
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Total internal reflection in a pendant prism
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View up from track level, 2015; the vault lights are present, but concreted over
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vertical
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The Westlake Square Comfort Station in Seattle, Washington, 1917
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Pavement lights (UK), vault li ...... lled in some new construction.
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Pavement light
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