Lehrburger, Egon,  1904- <br/><br/>
The true book about inventions / 
by Egon Lehrburger ; illustrated by Gertrude Elias 
 - London :  Frederick Muller,  1958 
 - 144 p. :  ill. ;  19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions--History<br/>Inventors
<br/><br/><label>Dewey Class. No.: </label>609.2