Dummer, G. W. A.  <br/><br/>
Variable Resistor and Potentiometers 

 - 1a ed 
 - London :   Sir Isaac Pitman & Sons,   1956. 
 - xiii, 176 p. : il. ; 22 cm. 
<br/><br/> Radio and Electronic Components : vol. 2. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RESISTORES
<br/><br/><label>Universal Decimal Class. No.: </label>621.316.82