Compass-saw? Especial use? Caution?
Saw-filing? Four steps? Reasons for each? The parts of the saw-set?
The old wooden planes? Why have they been displaced?
How are they adjusted? How are the wedges withdrawn in jack-plane and smooth-plane?
Assignment for Lesson 24. (Informational)—
Essential, Sections, 4, 7, 8.
Demonstration—
None.
Work—
Continue Group IV.