Eckman, D.P. <br/><br/>
Principles of industrial process control 

 - New York  John Wiley & Sons  1951 
 - viii,237p.  21cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Industrial<br/>Instruments
<br/><br/><label>Dewey Class. No.: </label>621.31701  / E22P