38 Laboratory Arts 



serviceable of all. One pair of square-nosed pliers should 

 also be provided. 



Drill. A drill should be available, if possible, of the 



FIG. 26. Bench drill. 



American Bench Drill type (See Adams, page 101, No. 9^, or 

 page 103, No. 1 8). These drills are very cheap, of excellent 



quality, and will be found invaluable 



when delicate work is to be undertaken. 



A table vice (Fig. 27), as included in 



the first type, is a most essential 



accessory. 



Failing this, a breast drill of the 



type shown in Fig. 28, or a hand drill 

 F 'vicfto S d e rffl tTble ei " 8 (Fig- 9), should be furnished. All these 



tools are listed by Messrs. Adams. 

 Twist drills should be used generally, though wing drills 



