Lloyd, Humphrey,  1800-1881 <br/><br/>
Elementary treatise on the wave-theory of light / 
Humphrey Lloyd 
 - 3rd rev. and enl. ed. 
 - London :  Longmans, Green,  1873 
 - xi, 247 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical optics<br/>Wave theory of light
<br/><br/><label>Dewey Class. No.: </label>535.13