With another handscrew, clamp this handscrew to Y in such a way that the marks on the two pieces match, A to C and B to D, Fig.247.Bore at the proper places, E and F, holes directly thru Y into X.
[Illustration: Fig.247.Thru Boring for a Butt Joint.] Fig.

248 illustrates the gluing together of a four-legged stand in which the joints are made in this way.

The cross-lap joints of the stretchers are first glued together, then the other joints are assembled without glue, to see that all the parts fit and finally two opposite sides are glued at a time.

Pieces of paper are laid inside the gluing blocks to prevent them from sticking to the legs.
[Illustration: Fig.248.

Gluing-Up a Four-Legged Stand.] In case the dowels are to be hidden the chief difficulty is to locate the holes properly.