How are the wood parts prepared for wood-screws? In soft wood? In hard wood?

Preparation for Demonstration; Assignment for Lesson 14—

Essentials, Read Sections 78, 79.

Demonstration—

The essential points in making Dado Exercise.

Work—

All pupils square up exercise piece and begin making the joints.

Note:—No definite size is required for exercise piece but it must be square and true.

GRADE VIII.
(Woodworking Group VII.)

Lesson 14.