CHAPTER XXIII 

 PROJECTS IN SHEET-METALWORK 



Problem No. 1 : 



Making a Lap Joint as Used on Tin Roof. 

 209. Stock and Tools for Lap Joint. The stock 

 needed is two strips of medium weight, clean new tin, each 

 about 10" long and 3" wide. 



FIG. 263. Tools for sheet-metalwprk: a, cutting pliers; b, flat-jaw pliers; 

 c, straight snips; d, curved snips; e, compass; /, tinner's hammer; g, 

 flat file; h, cold chisel; ?', punch;./, scratch awl. 



A limited number of sheet-metalworking tools suitable 

 for ordinary work on the farm is necessary. The equipment 

 may consist of: 



239 



