Blackburn, R. G. <br/><br/>
Sheet metal work: Calculation and science 
R. G. Blackburn 
 - London,  E. Arnold  c.1958 
 - v.  illus.  29 cm. 
<br/><br/><label>LCCN: </label>57045965  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sheet-metal work.
<br/><br/><label>LC Class. No.: </label>TS250  / .B55 
<br/><br/><label>Dewey Class. No.: </label>671.823 BLA