Bradley, Ian,  1900- <br/><br/>
Screw threads and twist drills / 
Ian Bradley and Norman Hallows. 
 - 4th ed. 
 - Hemel Hempstead :  Model and Allied Publications,  1974. 
 - [7], 111 p. :  ill. ;  19 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0852423578 :  £1.25 
<br/><br/><label>LCCN: </label>75326138  
<br/><br/><label>Nat. Bib. No.: </label>GB74-05673 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Screw-threads.<br/>Twist drills.
<br/><br/><label>LC Class. No.: </label>TJ1338  / .B72 1974 
<br/><br/><label>Dewey Class. No.: </label>621.9/44