Copperfield, David <br/><br/>
Build your own solar-electric panel 
by David and Barbar Copperfield 
 - Rough and Ready  Well-Being Productions  c1983 
 - 15 p 
 - Electrical independence booklets  6 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solar energy<br/>Solar collectors