Powell, Sheppard T. <br/><br/>
Water conditioning for industry / 
S. T. Powell 
 - 1st ed. 
 - New York :  McGraw-Hill,  1954 
 - 548 p. :  ill. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification
<br/><br/><label>Dewey Class. No.: </label>628.16 POW