Compressed air in mining and industry/ 
Edited by Sydney H. North 
 - London,  Pitman  [1951] 
 - 170 p.  illus.  23 cm. 
<br/><br/>
<br/><br/><br/>English 
<br/><br/><label>LCCN: </label>52008031  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Compressed air.
<br/><br/><label>LC Class. No.: </label>TJ985  / .N6 
<br/><br/><label>Dewey Class. No.: </label>621.54/NOC