Bertin, Leonard <br/><br/>
The boys' book of engineering wonders of the world / 
Leonard Bertin 
 - London :  Burke,  1961 
 - 140 p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering--Juvenile literature<br/>Wonder
<br/><br/><label>Dewey Class. No.: </label>620