25) 



SHEET-METALWORK 



Sandpaper the surface smooth and saw the end off square 

 (Fig. 280-a). 



Place the stove wood in a vise with the cylindrical end up. 

 Over this place the circular bottom for the cup so that the 



STOVE WOOD SHAVED 

 TO CYLINDER. 



FIG. 280-a. Piece of wood 

 for shaping iron. 



TIN BOTTOM BENT 

 OVER END OF WOOD 



FIG. 281. Sheet-metal 

 shaped on wood form. 



1/8" surface to be folded projects evenly around the piece of 

 wood (Fig. 281). Hold the tin with the left hand and gently 

 pound the edge of it down around the piece of wood with a 

 mallet. It may be necessary to snip the edge of the tin in a 



few places to prevent it from 

 buckling. The bending must te 

 done carefully. When the ec!ge 

 is finally bent over in contact 

 with the cylindrical surface of 



ROUNDING EDGE OF 



CUP FOR. WIRE the wood, pound the folded 



FIG. 282. Bending sheet- metal portion firmly against the wood 

 over piece of wood. _, ... ... 



until it fits like a cap (Fig. 



281). The tin may now be pried off. 



219. Inserting Wire in the Edge. Over a slightly- 

 rounded corner of a piece of hard wood, pound the 1/4" 

 surface for the wire to strengthen the upper edge of the cup 

 (Fig. 282) . When this has been done, place the proper length 

 of 1/16" wire in the rounded corner turned upward as the tir? 



