CHAPTER XXIV 

 SUPPLEMENTARY PROJECTS IN SHEET-METALWORK 



223. Cylindrical Receptacle (Fig. 292). 



1) Lay out pattern for bottom, leaving 1/8" for fold. 



2) Lay out pattern for body of receptacle, leaving 1/8" lap 

 on each end for lock joint. 



3) Solder lock joint of 

 body of pattern. 



FIG. 292. Cylindrical 

 receptacle. 



FIG. 293. Cubical box with lid. 



4) Place bottom in position on body of receptacle and sol- 

 der in place. (See instructions for Problem No. 5.) 



224. Cubical Box with Lid (Fig. 293). 



1) Lay out pattern for body of box a rectangle 3" wide 

 and 12-1/4" long. The 1/4" added to the 12" is to provide a 

 lap which should be formed on one corner. 



2) Lay out pattern for bottom of box a square 4-1/4" on a 

 side. The 1/4" added to the 4" is to provide two 1/8" laps- 

 one on each side of the square. 



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