Before revision: The ribbed skew arch Southdown Road Skew Bridge in Harpenden, an example of a ribbed skew arch made of brick Hereford Road bridge, Ledbury , a ribbed skew arch made of stone with ribs of blue brick The ribbed skew arch is a form of the false skew arch in which several narrow regular arches or ribs, offset laterally with respect to one another, are used to approximate a true skew arch.French; Ives, 1902, op.
After revision: The ribbed skew arch Southdown Road Skew Bridge in Harpenden, an example of a ribbed skew arch made of brick upright=1.2|Hereford Road Skew Bridge, Ledbury, Herefordshireupright=1.2|Hertfordshire, , a ribbed skew arch made of stone with ribs of blue brick The ribbed skew arch is a form of the false skew arch in which several narrow regular arches or ribs, offset laterally with respect to one another, are used to approximate a true skew arch.French; Ives, 1902, op.