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Narrow doors and small windows are often square topped, being bridged by a solid stone lintel which may be supported on projecting brackets. Some stone buildings have retained wooden lintels. Larger doorways and windows are topped with semi-circular arches , as are arcades and vaults.
The arches are supported on massive columns, generally plain and cylindrical, sometimes with spiral decoration; occasionally, square-section piers are found. Main doorways have a succession of receding semicircular arches, often decorated with mouldings, typically of chevron or zig-zag design; sometimes there is a tympanum at the back of the ...
The large interval between columns necessitates the use of a wooden architrave. Araeosystyle An architectural term applied to a colonnade, in which the intercolumniation is alternately wide and narrow. Arcade A passage or walkway covered over by a succession of arches or vaults supported by columns. Blind arcade or arcading: the same applied to ...
Narrow doors and small windows might be surmounted by a solid stone lintel. Larger openings are nearly always arched. A characteristic feature of Romanesque architecture, both ecclesiastic and domestic, is the pairing of two arched windows or arcade openings, separated by a pillar or colonette and often set within a larger arch.
Stairclimber wheels. A stairclimber is a type of trolley fitted with rotating wheels or tracks so that it can be pushed or pulled up or down steps or a stairway.Stairclimbers can be manual or battery-powered, and are commonly found in wheel, track, push arm or walker variants.
The spiral stair is a type of stairway which, due to its complex helical structure, has been introduced relatively late into architecture. Although the oldest example dates back to the 5th century BC, [ 1 ] it was only in the wake of the influential design of the Trajan's Column that this space-saving new type permanently caught hold in ancient ...