284, C.This is stronger than the plain bottom, but the nail holes show.

The bottom may be rabbeted in, Fig.

284, D.
This is better than the set-in bottom so far as the showing of the nail holes goes, for the nails may be driven in from below, and a little shrinkage is not conspicuous.

It is practicable, if a rabbet or mitered joint is used in the sides, but if the side pieces are butted or dadoed, the rabbet for the bottom shows.

This may be cleverly concealed by an insert, but that is patchwork, and not first-rate construction.
Reinforced bottom, Fig.