Principles of electricity :  illustrated : a practical guide for beginners and more experienced craftsmen engaged in electrical work / 
edited by Roy C. Norris. 
 - London:   Odhams,   [19--].  
 - 384 p. :  ill. ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electricity
<br/><br/><label>Dewey Class. No.: </label>621.3