40 



WOODWORKING 



the board, placed horizontally edgewise in bench vise, with 

 spur of bit on center for one of the holes to be bored for bolts 

 and with bit in a vertical position (Fig. 33). This position 

 may be tested by the use of the try-square (Fig. 34). With 



left hand on knob and 

 right hand grasping 

 the handle, turn the 



handle clockwise until 

 FIG. 31. Laying out rip-saw cuts. about one . half of the 



hole is bored. Repeat this operation in boring the second 

 hole. Reverse the board in the vise and bore the second 

 half of each hole. Great care must be taken to make all 

 borings straight to secure holes without shoulders near the 

 center. 



Pencil line 



Bolt "hole* 



FIG. 32. The board marked for bolt holes. 



16. Sawing Ends. The saw works at an angle to the 

 surface of the board (Fig. 35). The strokes are taken the 

 length of the saw without exerting more pressure than to 

 guide the saw. The squared line on the face side should be 

 touched by the saw as it goes across the surface (Fig. 35). 

 The squared line on the joint edge should be touched by the 

 saw as it finishes its cut thru the board. In a similar man- 

 ner saw to the squared lines on the other end of the board. 



When sawing, place the board on the top of wooden 

 horse with its end projecting over the end of the horse and 

 with face side up and joint edge toward operator (Fig. 36.) 

 Hold the stock with left knee and left hand, allowing thumb 

 of left hand to guide the saw when beginning the cut. The 



