14 ELEMENTARY WOODWORKING 
handle than at the opposite end. This is to give 
strength, and to prevent buckling, or bending, as the 
tool is pushed forward. 
Fic. 14. Body of Saw, showing Tapers 
Most delicate measurements must be made, however, 
to discover that not only the width but the thickness 
increases from A to B, and decreases from C to D. 
How carefully this tapermg must be done can be real- 
ized when we know that the difference in thickness 
from A to B is only three one-thousandths of an inch, 
and from C to D twelve one-thousandths at end A 
and five one-thou- 
sandths at end B. 
The saw should 
be held in the right 
hand, with the left 
grasping the board. 
The thumb of the 
left hand acts as 
guide, the saw is tilted, as shown in Fig. 15, and drawn 
toward the worker at the first stroke. This tool should 
Fig. 15. Method of holding the Saw 
