Watt, Simon <br/><br/>
21 chain and washer pumps  from the 1958 Peking Agricultural Exhibition 
Simon Watt 
 - London  Intermediate Technology Publications Ltd  c 1976 
 - [3], iii, 49p.  ill., plans;  22 cm. 
<br/><br/> Cover title: Chinese chain and washer pumps. 
<br/><br/><label>ISBN: </label>0903031264 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pumping machinery--Exhibitions