48 ABC OF THE STEEL SQUARE 



A very good fence for the square may readily 

 be made from a stick of hardwood (Fig. 23) 

 about two inches wide, one and a half inches 

 thick and two and a half feet long. A saw kerf, 

 into which the square will slide, is cut from both 

 ends leaving about 8 inches of solid wood near 



DOUBLE SLOTTED FENCE 



Fig. 23. 



the middle. The tool is clamped to the square 

 by means of screws at convenient points as 

 shown. Another style of fence, which is made of 

 a piece of hardwood, lias a single slot only as 

 shown in Fig. 24. The square is slipped in and 

 fastened in place by screws similar to the first. 



An application of the fence and square combined 

 is shown at Fig. 25, where the combination is 

 used as a pitch-board for laying out stair 

 strings. In this example the blade is set off at 

 10 inches, which makes the tread, and the tongue 

 shows the riser, which is set off at 7 inches. The 



