Tymstra, Sybren Ruurd. <br/><br/>
The Doherty washer cooler, 
by Sybren Ruurd Tymstra ... 
 - Seattle,  University of Washington,  1932. 
 - 61 p. incl. tables, diagrs.  23 cm. 
 - Washington (State) University. Engineering Experiment Station. Engineering Experiment Station series. Bulletin  no. 67 .
<br/><br/>Bibliography: p.61. 
<br/><br/><label>LCCN: </label>po 32000102  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas manufacture and works--Equipment and supplies.
<br/><br/><label>LC Class. No.: </label>TP764  / .T9