Ogilvy, Charles Stanley,  1913- <br/><br/>
Through the mathescope 

 - New York :  Oxford University Press ,  1956. 
 - 162 p. :  illus. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510 OGI