PROJECTS IN BLACKSMITHING 



Problem No. 4 ' Welding and Tempering Steel. 

 Suggested Projects: 



a) Butcher-knife (Fig. 221). 



6) Punches (Fig. 222). 



c) Cold chisel (Fig. 223). 



d) Sharpening cultivator shovel (Fig. 224). 



219 



FIG. 221. Butcher knife. 



_o 



FlG. 222. Punches. 



190. Forging Steel. Tools needed are those required 

 for ordinary work at the forge, including flatter and swage. 



The forging of tools which are not of unusual shape de- 

 mands only the use of simple exercises in forging. The new 

 exercise is that of tempering. 



