Step by step in oxwelding a crank case. 

 - New York, N.Y. :  Linde Air Products Company,  c1925. 
 - 12 p. :  ill. ;  27 cm. 
<br/><br/> "2nd printing"--T.p. verso. 
<br/><br/><label>LCCN: </label>ca 25001197  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Welding.
<br/><br/><label>LC Class. No.: </label>TT211  / .L5