18 



ELEMENTARY WOODWORKING 



the throat of the plane by a clamp (Fig. 22). The open- 

 ing on the bottom of the plane through which the cut- 

 ting edge protrudes is called the mouth of the plane. 



Toe " -Mouth 



FIG. 22. Sectional Views of Iron Plane 



9. Adjustment of Plane. There are two ways of adjust- 

 ing a modern iron plane, by means of the set screw s, 

 and of the lever I. 



