238 



SHEET-METALWORK 



off the iron and fill the joint. Care must be taken not to 

 flood the joint by using too much solder. While an iron 

 may be run over a joint several times, it is advisable to run 

 it over but once. Superfluous solder and the extended use 



I 



FIG. 262. A clean joint. 



FIG. 262-a. A joint where too much solder has been used, 

 of the soldering-iron are signs of a poor workman. When 

 the soldering-iron is run over the joint many times, the solder 

 will flow out on the surfaces of the metal near the joint, re- 

 sulting in a "smeared" joint. Fig 262 shows a soldered 

 joint on which no superfluous solder has been used ; Fig. 262-a 

 shows one which has been smeared with too much solder. 



