Ovens, William G. <br/><br/>
A design manual for water wheels :  with details for applications to pumping water for village use and driving small machinery / 
by William G. Ovens. 
 - [Lae :  Papua New Guinea University of Technology],  1974. 
 - [58 leaves] :  ill. 
 - Occasional research and technical bulletin ;  no. R20/74 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-wheels--Papua New Guinea.