Pieces Joined At Right Angles To Each Other. Fig.
376 illustrates one method, a "slip feather" or " tongue," as a. Another method being shown in fig. 377. In fig. 378, a, b, c, and d illustrate other methods in which one or other of the pieces are finished with a " double-quirked" bead at the corner, this being done not only for ornament but to prevent the sharp corner or " arris," as e, being injured. In d either a "slip feather," as f, or a "tongue, as g, may be used; h, i, and j illustrate other methods; h a simple tenon, i a "dovetail tenon, the perpendicular piece may be let into the horizontal one, as at j and k. The horizontal piece I may be joined to the vertical piece m by a mitre joint, but with the addition of a tenon n cut in the face of the mitre of l, and going into the mortice o in the face of the mitre of m.