Thomson ,J .Arthur <br/><br/>
Scientific Riddles.   
  

 - 1st 
 - London  Williams  1932 
 - 384 pgs, 21.7 cms.index. 
<br/><br/> B   
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientific Riddles
<br/><br/><label>Dewey Class. No.: </label>573.3 tho/sci