ith a dovetail cut on the edge. This
is seldom used except as a woodwork exercise.

Fig. 42 is a "Dovetailed Halving Joint" used for lengthening timber, and
is also a favourite Manual Training model. It might also come under the
heading of scarf joint, although rarely used in actual practice as such.
As a practical woodwork exercise it calls for accurate marking out and
careful fitting.

[Illustration: Fig. 42.--Dovetailed Halving Joint used for Lengthening
Timber.]

[Illustration: Fig. 43.--Dovetailed and Halved Joint.]

[Illustration: Fig. 44.--Dovetailed Halved Joint with Shoulders.]

Fig. 43 shows a combination of a halved joint dovetailed edgeways, whilst
Fig. 44 shows a dovetailed halved joint with the shoulders housed. This
latter is seldom used in actual work.

At Fig. 45 we have the application of halving joints when constructing a
barrow wheel. The centre portion is an example of three pieces
half-lapped or, as it is sometimes called, one-third lapped. A sketch of
the three pieces separated is shown at L, B, C, Fig. 46.

This joint is extensively used in the pattern making trade for
lap-jointing the arms of pulley patterns, etc. It is probably the most
difficult of the halving joints to mark out and construct with the
desired degree of accuracy.

[Illustration: Fig. 45.--Halved Joints on Barrow Wheels.]

[Illustration: Fig. 46.--Detail of Halved Joints in Fig. 45.]

Fig. 47 shows a combination of a bevelled dovetail half-lapped joint.
This is only used as a puzzle joint. When neatly constructed and glued
together it is apparently impossible to make it, showing as it does a
half lap on one side and a dovetailed half lap on the reverse side.

Fig. 48 is the end view of a kitchen table with drop leaf,
showing the skirting board scribed to the solid side. A table of
this type is fastened to the wall with two iron holdfasts which
engage the ends of the table. The hinged bracket frame shows the
application of the halving joint to bracket supports for this and
similar purposes, such as brackets to support shelving, etc. In
this example the hinged brackets turn underneath the table top,
and allow the leaf to drop out of the way when not required. The
dotted lines show the position of a shelf for boots and shoes.

[Illustration: Fig. 47.--Bevelled Dovetailed Half Lap.]

[Illustration: Fig. 48.--Bracket of Drop Table.]

[Illustration: Figs. 49 and 50.--Separate pieces of Halved Moulded
Joint.]

[Illus