See C, Topic 87.

New subject: Making a straight edge. See C, Topic 50.

Wood: Maple, or mahogany.

Preparatory: Same as in Fig. 1, applied to each piece.

Exercises.

1.   Make the head of required shape and size. Be sure that the edge is perfectly straight and square.

2.   Make the tongue straight and parallel. See C, Topic 50.

3. A. Plane, scrape, and sandpaper the head and the tongue. B. Bore a 3/8" hole in the tongue. See Fig. 2, Ex. 6.

4.   A. Glue the tongue to the head at an exact right angle. While the glue is setting, hold it in place with a hand screw, which must bear evenly over all the joint.

B.   After the glue has set, put five 3/8" No. 3 flathead bright screws through the tongue into the head.

C.   Remedy defects.

5.   Finish with two coats of shellac, rubbed in oil.

A more elaborate piece of work may be made by gluing a narrow strip of ebony or white holly on the working edge of the head, and on each edge of the tongue.