Mann,Ida <br/><br/>
The science of seeing/ 
Ida Mann and Antoinette Pirie 
 - Harmonds worth:  Penguin Books,  1950 
 - 225 p.:  plates;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vision<br/>Eye<br/>Physiological optics
<br/><br/><label>Dewey Class. No.: </label>612.84