Mortlock J R <br/><br/>
A C Switchgear 
by Mortlock J R 
 -  1956 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>71017 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alternate current
<br/><br/><label>Dewey Class. No.: </label>D664:15, J6