CRESSY, EDWARD <br/><br/>
Discoveries and inventions of the 20th century 
CRESSY, EDWARD 
 - London  George Routledge and Sons  1930 
 - 476 pages 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCIENCE-HISTORY
<br/><br/><label>Dewey Class. No.: </label>NAIX,10  1930