Cressy Edward <br/><br/>
Discoveries and inventions of the twentieth century.   
  

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 - London  George Routledge  1914 
 - Xvi, 398; 22cm,fronts,plates 
<br/><br/> B   
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>608.7 cre/dis