"Kennedy, W. K." <br/><br/>
Human and animal powered water lifting devices 

 - London  I.T. Pub.  1985 
 - 111p. 
<br/><br/><label>ISBN: </label>946688753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water
<br/><br/><label>Dewey Class. No.: </label>621.20422 Ken