tration: Fig. 51.--Oblique Cross Halving Joint.]

[Illustration: Fig. 52.--Manual Training Halved Exercise Joint.]

[Illustration: Fig. 53.--Exercise Dovetail Joint.]

[Illustration: Fig. 54.--Carpentry Tie Joint.]

Figs. 49 and 50 indicate the halving of cross pieces which have their
edges moulded; the pieces are shown separately, the moulding being
omitted to give a clearer representation of the method of construction.

[Illustration: Fig. 55.--Cross Halving Joint with Housed Corners.]

[Illustration: Fig. 56.--The parts of Fig. 55 shown separate.]

Fig. 51 is an "Oblique Cross Halving Joint" where the two pieces are not
at right angles. A plan and elevation of the joint are shown at the left,
whilst a sketch of one piece of the joint is given in the right-hand
illustration.

Figs. 52 and 53 are principally used as Manual Training models, and call
for patience and manual dexterity.

Fig. 54 is used in carpentry and joinery where a tie or cross piece ties
joists or beams at an angle.

Fig. 55 shows the elevation and end view of a "Cross Halving Joint" with
housed or notched shoulders. This joint is seldom used in actual
practice. The separate parts are given in Fig. 56.

At Fig. 57 are shown two cross rails and an upright halved together. This
type of joint is used where three pieces meet, as is the case in
building the framing of a poultry house. The joint is nailed together.

[Illustration: Fig. 57.--Cross Rail and Upright Halved Joint.]

[Illustration: Fig. 58.--Workshop Trestle Joint.]

[Illustration: Fig. 59.--Cellarette Partition Joints.]

Fig. 58 is the end view of an ordinary workshop trestle, showing the
application of dovetailed halving where the legs have a tendency to
strain outwards. The inset sketch of joint shows the housing of the top
rail to receive the legs.

Fig. 59 shows a deep drawer, generally known as a cellarette, and used in
a sideboard to accommodate wine bottles. Here we have a good example of
halving the cross pieces so as to form compartments. The part shown
separately illustrates the method of construction. The ends of these
pieces engage the housings or grooves of the drawer sides. Pigeon holes
or compartments in stationery cases, bookcases and writing bureaux are
constructed in a similar manner, although the method of housing, or
combined halving and housing, is to be preferred in some cases.

[Illustration: Fig. 60.--Joint used for Table with Circular Top or Rim.]

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