What about the face marks in case this is done? Why?
The difference in the two methods given?
State the ten steps in making the joint by the first method.
In the second method how are the grooves and their widths determined?
What about the location of the grooves with reference to the faces?
What about the faces in gaging for depth of groove? Why?
Assignment for Lesson 26—
Essentials, Sections 121, 122 to the bottom of page 130.
Demonstration—
None.