Science news / 
edited by J. L. Crammer 
 - Harmondsworth :  Penguin Book,  1951 
 - 143 :  ill., ports. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>Technology
<br/><br/><label>Dewey Class. No.: </label>508.2