Larsen, Egon <br/><br/>
Men who changed the world stories of invention and discovery 

 - 15th ed. 
 - London  Poenix House Limited  1957 
 - 172p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>509.2 LAR