Larsen, Egon,  1904- <br/><br/>
Men who changed the world :  stories of invention and discovery /  by Egon Larsen [pseud. 

 - 2d ed.] 
 - New York,  Roy Publishers  [1953] 
 - 224 p.  illus.  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventors.
<br/><br/><label>LC Class. No.: </label>T39  / .L43 1953 
<br/><br/><label>Dewey Class. No.: </label>926  / LAR 1953