Basic electricity series Pt. 1 : what is electricity?  [VHS Tapes]. 

 - Hong Kong  Educational Film Services Ltd 
 - 4.5mins 
 - Basic electricity series. .
<br/><br/><label>ISBN: </label> 0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Electricity.
<br/><br/><label>Dewey Class. No.: </label>QC/527  / BAS