Wright, John P. <br/><br/>
The vital spark :  an introduction to the generation, supply and use of electricity / 
John P. Wright. 
 - London:   Heinemann Educational,   1974.  
 - 210 p. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0435689452 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering
<br/><br/><label>Dewey Class. No.: </label>621.3