A bay window is a window space projecting outward from the main walls of a building and forming a bay in a room.
Video Bay window
Types
Bay window is a generic term for all protruding window constructions, regardless of height. The most common inside angles are 90, 135 and 150 degrees, though triangular bays formed of two windows set at 120 degrees, called a prow, may be found.
All are polygonal or square.
A bay window with a flat front and angled sides is called canted.
A bay window supported by a corbel, bracket or similar is called an oriel window.
Maps Bay window
Uses
Most medieval bay windows and up to the baroque era are oriel windows. They frequently appear as a highly ornamented addition to the building rather than an organic part of it. Particularly during the Gothic period they often serve as small house chapels, with the oriel window containing an altar and resembling an apse of a church. Especially in Nuremberg these are even called Chörlein (meaning Little Apse or Little Choir) with the most famous example being the one from the parsonage of St. Sebaldus Church.
Oriental oriel windows such as the Arab Mashrabiya are frequently made of wood and allow viewing out while restricting visibility from the outside. Especially in warmer climates a bay window may be identical to a balcony with a privacy shield or screen.
Bay windows became a popular feature of residential Victorian architecture in the British Isles from about the 1870s. They can make a room appear larger, and provide views of the outside which would be unavailable with an ordinary flat window. They are found in terraced houses, semis and detached houses as well as in blocks of flats.
Based on British models, their use spread to other English speaking countries like the USA, Canada and Australia. Following the pioneering model of pre-modern commercial architecture at the Oriel Chambers in Liverpool, they feature on early Chicago School skyscrapers where they often run the whole height of the building's upper storeys. Bay windows were identified as a defining characteristic of San Francisco architecture in a 2012 study that had a machine learning algorithm examine a random sample of 25,000 photos of cities from Google Street View. They are also common in the designs of rowhouses in other large American cities, such as Philadelphia and Baltimore.
Gallery
See also
- Bay window caboose
- Bow window
- Bretèche
- Oriel window
References
External links
- Gagnon, Jerome (24 November 2004). "Gaining bonus space and light with bay windows". San Francisco Chronicle. Retrieved 21 October 2012.
Source of article : Wikipedia
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