The new illustrated science and invention encyclopedia :   Canal - Coal mining 

 - 409 - 548 pages :   colour illustrations ;   26 cm 
 - The new how it works .
 - The new how it works .
<br/><br/> Volume 1-28 
<br/><br/><label>ISBN: </label>087475450X 
<br/><br/><label>Dewey Class. No.: </label>503