40 



Laboratory Arts 



Snips or Shears. One pattern only is in general use 

 10" tinman's snips. 



Bench Anvil and Vice. These are not absolutely 

 essential if a good iron-faced vice 

 is supplied for woodwork, but they 

 are a great convenience. Some 

 tools of this type are on the 

 market in the form of combined 

 anvil and vice, but it is best to 

 have them separate, as heavy blows 

 may be struck which will injure 

 the vice if they are combined. 

 The faces of the jaws should re- 

 main parallel however wide they 

 FIG. 30. Jewellers' turnscrew. may be apart, otherwise there is 



a tendency to grip work on the 



two edges instead ot on the two surfaces. The anvil may 

 well be of the type known as a " bick iron " similar to those 



FIG. 31. Parallel jaw bench vice. 



used by dentists. Tinsmiths use similar ones, but much 

 larger. 



Chisels are of several types according to the work 

 expected of them ; as, however, no chipping or heavy chisel 

 work is included in the processes contemplated in this book, it 

 will be sufficient to have a single J" steel chisel, which, 

 however, will require re-tempering, those supplied by tool 



