Humphrey, John William <br/><br/>
Ancient technology 

 - 1st ed 
 - Westport, Conn:  Greenwood Press,  2006 
 - xxiv, 219 p. : ill. ; 25 cm 
<br/><br/><label>ISBN: </label>9780313327636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology - History - To 1500
<br/><br/><label>Dewey Class. No.: </label>609.3 HUM