Hackman, Donald J.  1936- <br/><br/>
Underwater Tools / 
Donald J. Hackman and Don W. Caudy 
 - Columbus, Ohio :  Battelle press,  1981 
 - vii, 152 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographoies and indexes 
<br/><br/><label>ISBN: </label>0934570085 
<br/><br/><label>LCCN: </label>81-004399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ocean engineering--Equipment and supplies<br/>Underwater welding and cutting<br/>Diving, Submarine--equipment and supplies