Sparks, Norman R. <br/><br/>
Mechanical Refrigeration / 
Norman R. Sparks and Charles C. Dillio. 
 - 2nd ed. 
 - New York :   McGraw-Hill Book,  c 1959. 
 - x, 283 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>338  338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vacuum--Low-temperature technologies.
<br/><br/><label>Dewey Class. No.: </label>621.56 / S26m