Darrow, Ken. <br/><br/>
Appropriate Technology Sourebook  Tools and Techniques that Use local Skills Local Resources and Renewable Sources of Energy 

 - 2 ed. 
 -  Volunteers in Asia Publication  1976 
 - P.304 
<br/><br/><label>ISBN: </label>0917704002 
<br/><br/><label>Subjects--Topical Terms: </label> Water  Gas  Pedal Power  Wind