Ellers, Carl L. <br/><br/>
Heating and ventilation. 
By Carl L. Ellers ... 
 - St. Louis,  Stoves and hardware publishing co.,  1897. 
 - 64 p.  illus.  18 cm. 
<br/><br/> On furnaces. 
<br/><br/><label>LCCN: </label>c  98000135  
<br/><br/><label>LC Class. No.: </label>TH7601  / .E4