Martin, H. K. <br/><br/>
Electrical principles for industrial craftman 
H. K. Martin 
 - [S.l.]  Cassell  c1969. 
 - vi, 89p.  ill.  20 cm 
<br/><br/><label>ISBN: </label>0304934046 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering.