Column cylindrical disks of alternating diameter. The shaft is almost never fluted. The proportions vary, but are generally similar to Doric columns. Height to width ratio is about 7:1. The Ionic column is considerably more complex than the Doric or Tuscan. It usually has a base and the shaft is often fluted (it has grooves carved up its length). The capital features a volute, an ornament shaped like a scroll, at the four corners. The height-to-thickness ratio is around 9:1. Due to the more refined proportions and scroll capitals, the Ionic column is sometimes associated with academic buildings. Ionic style columns
Brentwood Cathedral and Welsh slate roof tiles. All the Classical architectural orders are represented in the interior - the four giant Doric pilasters, the Tuscan arcade of arches, the Ionic pilasters of the Palladian windows in the east and west aisles, the Corinthian and Composite influences evident on the cathedral and the organ case. While the interior of the cathedral has a deliberately 'restrained' feeling to it, richness is to be found in the ceiling. The Roman key pattern and the double guilloche pattern, picked out in gold leaf, are dominant here. All the round-headed windows are in the Classical-Wren style, with