Norris, John W. <br/><br/>
Warm air heating and winter air conditioning. 

 - 2d ed. 
 - New York,  McGraw-Hill  [1950] 
 - vii, 320 p.  illus.  29 cm. 
<br/><br/> First ed., 1948, prepared and published by the Engineering Departments of the Lennox Furnace Co. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air conditioning.<br/>Hot-air heating.<br/>MCE
<br/><br/><label>Dewey Class. No.: </label>697  / NOR