College textbook of physics / 
s.n. 
 - 6 ed. 
 -  Henry Holt & Co., New York,  1951 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530 COL-C6