Fig. 508.
Fig. 509.
Fig. 510.
Fig. 511.
It is hardly worth while to work out the grooving or grooved and tongued joints by hand in these days when it can be so cheaply done by machinery. If obliged to do it by hand, you should have the proper plane for the purpose, as it will be very difficult and slow work otherwise.
A panel is sometimes made flush with either side of the frame, by having a deep rabbet on that side, as in the case of a desk lid, for instance, but this is a form which can well be avoided by the beginner.
Dovetailing.—This is an operation requiring considerable skill to do well and, with the exception of an occasional single dovetail, is not frequently required in the work of the beginner. It is, however, a valuable, workmanlike accomplishment and a thoroughly scientific method, of which the amateur should have some understanding, even if he should never use it.