The heat exchanger 

 - Bombay :  New Stock Exchange Building,  1951- 
 - v. 
 - Vol. 1. (1950/1951) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric industries--Periodicals<br/>Energy policy--Periodicals<br/>Electric power systems--Periodicals
<br/><br/><label>Dewey Class. No.: </label>338. 4762156