Larsen, Egon  1904- <br/><br/>
Ideas and invention/ 
Egon Larsen 
 - London:  Spring Books,  c1960 
 - 383 p.:  plates;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--History<br/>Inventions
<br/><br/><label>Dewey Class. No.: </label>608.7