MEASURING AND MARKING TOOLS 7 



The try-square may be made entirely of iron or 

 steel, but sometimes the beam A is of wood with a 

 brass strip C to protect it and to take the wear. The 



Fig. 4. Methods of using the Try-Square 



blade B is of steel and is divided, like a rule, into 

 inches and fractions of an inch. Try-squares are made 

 in several sizes, the most convenient for general use 

 beino; six inches. 



In using the trj'-square the beam should be held 

 firmly against the face or edge of the stock. When 

 working near the end of the piece, if the beam projects, 

 reverse its position. For nice, accurate work the knife 

 point instead of the pencil should be used for lining. 



When it is desired to saw off the end of the stock it 

 is first necessary to mark or square clear around it with 

 the knife and try-square. In doing this the beam of 



