Lampshade Wikipedia

tech lighting Lampshade Wikipedia

tech lighting Lampshade Wikipedia

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The drawbacks of gas lighting were overheating of the air and extremely high oxygen consumption, making it necessary to ventilate the room or isolate the flame by separating the room where the combustion took place from the room being lit. Theatre audiences regularly suffered from headaches and the sulphur and ammonia formed during combustion of the gas ruined furniture.

1 History 2 Lampshade types 2.1 Shades by shape 2.2 Lampshades by material 2.3 Lampshade fitters 2.4 Consideration of Light Bulb Heat 3 References

Lampshades are classified in four basic shapes: drum, empire, bell or coolie depending on their shape. A drum or cylinder shade typically features vertical sides, sometimes with a very slight incline where the top of the shade is slightly smaller than the bottom. A slightly greater incline produces a “floor” shade which is not far from the “true” drum profile. As the slope of the side of the shade increases, the design moves through the classic empire shade (or variation with straight or bell-curved sides) on towards the more pyramidal-style shape of a coolie shade. [2]

lamp +‎ shade. The verb sense comes from the idea of making something more conspicuous by hanging a lampshade on it.

Friedrich Albert Winsor first had the idea of industrializing lighting by producing gas in a factory and distributing it through a pipeline. In the first decades of the 19th century, competing gas companies laid the first gas mains in major cities. But there were fears of explosion and toxicity.

A “fitter” describes how the lampshade connects to the lamp base. The most common lampshade fitter is a Spider fitter. Spider fitters are set on top of a lamp harp, and secured with a finial. The harp is typically seated below the socket and two arms rise up around the light bulb and join at the top, where it provides resting support for the spider fitter itself. The fitter is built into the lamp shade frame itself and sits on top of the harp. Other fitters include clip-on (for either regular bulbs or candelabra bulbs), Uno fitters which are attached to the lamp itself below the light bulb, and notched-bowl fitters which support the use of a glass reflector bowl. [4]

A cover over a lamp to either diffuse the light or to block it in certain directions so it doesn’t cause glare by shining directly in one’s eyes. Translations[edit] Verb[edit]

A lamp shade’s surfaces have varying proximity to the light bulb or light source itself, depending on the size and shape of the shade. With larger shades this is less of a problem, since the shade provides an ample funnel for the movement of air up through the shade, whereby heat from the bulb leaves the top of the shade through the opening. However with smaller shades consideration has to be given to proximity of the shade surface to the bulb, especially in miniature shades used on Chandeliers. Here, and especially with shades which have sloped sides, the distance between the surface and the bulb reduces making the risk of overheating a concern. [5]

Wikimedia Commons has media related to Lampshades. Look up lampshade in Wiktionary, the free dictionary. References[edit]

In 1879, Joseph Swan and Thomas Edison independently developed—combining and perfecting existing elements deriving from the research of Humphry Davy, De Moleyn and Göbel—the incandescent filament electric light bulb.

The flame fed by the gas coming out of the nozzle was intense, uniform and adjustable, white and brilliant instead of the reddish or orange of oil lamps or candles.

(narratology, fandom slang) To intentionally call attention to the improbable, incongruent, or clichéd nature of an element or situation featured in a work of fiction within the work itself. 2011, Corinne Gaston, “Adapted comic book flick has the ring, but no power”, Daily Trojan, 21 June 2011: Only one short bit of humor is endearing, lampshading the ridiculousness of an eye-mask being able to conceal a superhero’s identity.

Quotations[edit] For more examples of usage of this term, see Citations:lampshade. Anagrams[edit] headlamps

What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.

1 History 2 Lampshade types 2.1 Shades by shape 2.2 Lampshades by material 2.3 Lampshade fitters 2.4 Consideration of Light Bulb Heat 3 References

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Beyond the basics, lampshade shapes also include square, cut-corner, hexagon, gallery, oval, or scalloped shapes. Square, rectangular and oval shades appear to have these shapes when viewed from above or below. This also includes hexagonal shades and cut-corner shades which appear like square or round shades with the “corners cut off” or indented. A shade with a gallery can be of any shape but has a distinct strip around the bottom of the shade. [3]

lampshade (third-person singular simple present lampshades, present participle lampshading, simple past and past participle lampshaded)

Hidden categories: Terms with manual transliterations different from the automated onesTerms with manual transliterations different from the automated ones/arTerms with manual transliterations different from the automated ones/bgTerms with redundant transliterationsTerms with redundant transliterations/hi

In the late 17th-century in Paris the first public lanterns made their appearance in the centre of the streets. They lit the road during the night. In 1763, the réverbères made their appearance. These were oil lamps with reflectors which were hung above the center of streets. The first public oil lamps in Milan, financed by revenues from a lottery, date from 1785. These were lanterns containing an oil lamp with a number of wicks. A semi-spherical reflector above the flame projected the light downwards, while another reflector, slightly concave and near the flame, served to direct the light latterly.

Lampshades are made of fabric, parchment, glass, Tiffany glass, paper or plastic. Common fabric materials include silk, linen and cotton. Fabric shades are reinforced by metal frames to give the lampshades their shape, while paper or plastic shades can hold their shape without support. For this reason, paper shades can be more fragile than fabric shades. Darker shades sometimes add a reflective liner such as gold or silver in order to maximize light output.

A lampshade is a fixture that covers the lightbulb on a lamp to diffuse the light it emits. Conical, cylindrical and other forms on floor-, desk- or table top-mounted as well as suspended lamp models are the most common and are made in a wide range of materials. The term can also apply to the glass hung under many designs of ceiling lamp. Beyond its practical purpose, significant emphasis is also usually given to decorative and aesthetic features. A lamp shade also serves to “shade” human eyes from the direct glare of the light bulbs used to illuminate the lamp. Some lamp shades are also lined with a hard-backed opaque lining [1], often white or gold, to reflect as much light as possible through the top and bottom of the shade while blocking light from emitting through the walls of the shade itself. In other cases, the shade material is deliberately decorative so that upon illumination it may greater emphasize a display of color and light emitting through the shade surface itself.

Gas light had to be filtered by opal glass or light fabric shades. Lampshades were no longer used to direct the light but to attenuate it.

Pronunciation[edit] (UK, US) IPA(key): /ˈlæmp.ʃeɪd/ Noun[edit]

Wikimedia Commons has media related to Lampshades. Look up lampshade in Wiktionary, the free dictionary. References

Categories: English compound wordsEnglish 2-syllable wordsEnglish terms with IPA pronunciationEnglish lemmasEnglish nounsEnglish countable nounsEsperanto terms with archaic sensesEnglish verbsen:NarratologyEnglish fandom slang

To disguise the intense electric light, lampshades were used. Some were made by Tiffany in colored glass. The great advantage of the electric light bulb was the absence of flame and traces of combustion, thus avoiding all risks of intoxication, explosion or fire. In the beginning, the filament was made of carbonised vegetable fibres, then bamboo fibres and finally metal alloys until, in the early 20th century, the tungsten filament invented in 1904 became established.

A “fitter” describes how the lampshade connects to the lamp base. The most common lampshade fitter is a Spider fitter. Spider fitters are set on top of a lamp harp, and secured with a finial. The harp is typically seated below the socket and two arms rise up around the light bulb and join at the top, where it provides resting support for the spider fitter itself. The fitter is built into the lamp shade frame itself and sits on top of the harp. Other fitters include clip-on (for either regular bulbs or candelabra bulbs), Uno fitters which are attached to the lamp itself below the light bulb, and notched-bowl fitters which support the use of a glass reflector bowl. [4]

Modern lampshades can be classified by shape, by material, by fitter, or by function

Adjustable tole (painted tin) candleshade in a Russian portrait, ca. 1830s

In 1879, Joseph Swan and Thomas Edison independently developed—combining and perfecting existing elements deriving from the research of Humphry Davy, De Moleyn and Göbel—the incandescent filament electric light bulb.

Friedrich Albert Winsor first had the idea of industrializing lighting by producing gas in a factory and distributing it through a pipeline. In the first decades of the 19th century, competing gas companies laid the first gas mains in major cities. But there were fears of explosion and toxicity.

1 English 1.1 Etymology 1.2 Pronunciation 1.3 Noun 1.3.1 Translations 1.4 Verb 1.4.1 Quotations 1.5 Anagrams

Lampshade Wikipedia