Langton, John W. <br/><br/>
Sheet Metal Working Machinery 
/ by John W. Langton 
 - London:  Sir Isaac Pitman & Sons LTD.,  1963. 
 - vi,210p.; 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>1319  / LAN/S