This timber is formed from several varieties of the oak tree. It is of a brown colour, hard, tough, strong, subject to splits and shakes in seasoning, difficult to work, but free from defects. It is extensively used for shipbuilding in her Majesty's dockyards.1

African Oak, known also as African Teak or Mahogany, is brought from Sierra Leone, and has many of the characteristics both of oak and teak.

It is of a dark red colour, hard, close grained, difficult to work, free from splits or defects.

It is much used for shipbuilding, but is too heavy for architectural purposes.

"Wainscot is a species of oak, soft and easily worked, not liable to warp or split, and highly figured.

This last-mentioned characteristic is obtained by converting the timber so as to show the silver grain (see p. 358). It makes the wood very valuable for veneers, and for other ornamental work.

Wainscot is imported chiefly from Holland and Riga, in semicircular logs.

Clap Boarding is a description of oak imported from Norway, inferior to wainscot, and distinguished from it by being full of white-coloured streaks.