34 



ELEMENTARY WOODWORKING 



Patent spiral screw-drivers have come into use in 

 recent years, but where considerable force is required 

 the brace and screw-driver bit are more effective. 



Fig. 46. Cutting a Mortise 



21. Sandpaper. " Sandpaper is the last resort of a 

 poor workman." This statement has been made by 

 many teachers to many thousands of students, and is 



