Gergory Edwin <br/><br/>
Mechanical woriking of steel   
  

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 - London  Sir Isaac Pitman  1944 
 - 198, 22 cms, index, illus, plates 
<br/><br/> B   
<br/><br/>  
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>672 gre/mec