MISCELLANEOUS TOOLS AND METHODS OF WORK 35 



true in many cases ; but there are certain kinds of work 

 where sandpaper, if properly used, is allowable. 



FIG. 47. The Screw-Driver 



It must always be kept in mind that a surface which 

 has been sandpapered has become "gritty," i.e. the fine 

 sand has come off and is more or less imbedded in the 

 wood. Consequently sandpapering must not be done 

 until all tool work has been finished, as the grit will 

 take the edge off the best tool, 

 and the finer the edge the more 

 quickly will it be ruined. 



Again, a sandpapered surface 

 is always a scratched surface, 

 and the finest of scratched sur- 

 faces cannot compare with the 

 perfectly smooth, satiny sur- 

 face produced by a sharp plane. 

 However, there are many places ^ / ; ^^ \ ===I2!i i 



where neither the plane nor 



11 i i i FIG. 48. An Exercise involving 



spokeshave can be used, and the Use O f Sandpaper 

 here it is allowable to use sand- 

 paper after the tool work has been carried as far as 

 practicable. 



