Lyons, Jerry L. <br/><br/>
Lyons encyclopedia of valves 
Jerry L. Lyons, Carl L. Askland, Jr 
 - New York   Van Nostrand Reinhold Co.  c1975 
 - ix, 290p. :  ill.  26cm 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0442249616 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valves--Handbooks, manuals, etc.