Four-centred arch
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A four-centred arch or four-centered arch is a low, wide type of arch with a pointed apex. Its structure is achieved by drafting two arcs which rise steeply from each springing point on a small radius
Tudor arch at Layer Marney Tower, 1520s
Persian arches on the Si-o-se-pol bridge, Isfahan, c. 1600
The 17th century Buland Darwaza at Fatehpur Sikri has a four-centred archway with vaulted iwan.
Restored 9th century arches of the Qasr al-'Ashiq, Samarra.
Tudor architecture
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The Tudor architectural style is the term for English architecture in the Tudor period. This was a time of architectural transition, as the Gothic Perpendicular style was gradually replaced by a Renai
Four-centred arch
…decades, and from about 1550 it was out of fashion for grand buildings. It is a blunted version of the pointed arch of Gothic architecture, of which Tudor architecture is the last phase in England. A Tudor arch differs slightly from a true four-centred arch in having two straight sides instead of large shallow curves…
Athelhampton House - built 1493–1550, early in the period
Hardwick Hall, an Elizabethan prodigy house
The gatehouse of Oxburgh Hall, Norfolk
Richmond Palace, west front, drawn by Antony Wyngaerde in 1562