Porges, John <br/><br/>
Handbook of heating, ventilating and air conditioning:  useful tables and data arranged in a manner convenient for ready reference, 
[by] John Porges 
 - 6th ed.,  by F. Porges 
 - [326] p., 7 fold. plates.  illustrations;  23 cm 
<br/><br/><label>LCCN: </label>70028165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heating--Tables<br/>Ventilation--Tables<br/>Air conditioning--Tables
<br/><br/><label>LC Class. No.: </label>TH7225  / .P6 1971