CUTTING TOOLS 



15 



be used without exerting mucli pressure, in accurdance 

 with the general rule that we do our best work with 

 tools when we work easily and deliberately. 



Fio. IG. The Backsaw 



Many varieties of saws are designed for special pur- 

 poses, including those which cut stone and metal. 

 6. Backsaw. 



The backsaw is a 

 crosscut saw with 

 small teetli, and 

 has a heavy steel 

 backpiece. Fig. 

 17, to prevent 

 bending. In this 

 respect it differs 

 from the ordinary 

 crosscut varie- 

 ties, which bend 

 readily. The purpose of the l)acksaw is to malve fine, 

 straight cuts in delicate, accurate work. Tlie steel 



Fig. 17 



Jlethocl of usiiic: the Backsaw and 

 Bench Hook 



