Chambers, H. H. <br/><br/>
Twist drills : 

 - 4th ed. 
 - London :  George Newnes,  1944. 
 - viii,112 p. :  ill. ;  23 cm. 
<br/><br/> Includes index.<br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metalworking tools<br/>Machining processes<br/>Drilling machinery
<br/><br/><label>Dewey Class. No.: </label>621.952 CHA