The book of popular science /  Volume 6 

 - New York :  Grolier Society,  1958. 
 - 418 p. :  ill. (some col.), ports., maps ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.<br/>Technology.<br/>Natural history.
<br/><br/><label>Dewey Class. No.: </label>R 500  / BOO V-6 1958