Graff, Heinz <br/><br/>
Electrical installation / 
Heinz Graff 
 - 3rd ed. 
 - London :  Selpress,  1964. 
 - 180 p. :  ill. ;  22 cm. 
 - Technical fundamentals ; .
 - Technical fundamentals ; .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric wiring.<br/>Electric apparatus and appliances.
<br/><br/><label>Dewey Class. No.: </label>621.31924   / GRE 1964