Barton, Arthur W  <br/><br/>
A text book on light / 
Arthur W Barton. 
 - London :   Longmans,   1939. 
 - 426 p. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>15  15 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Light.
<br/><br/><label>Dewey Class. No.: </label>535 / B285t