Dummer, G. W. A.  <br/><br/>
Variable Capacitors and Trimmers 

 - 1a ed 
 - London :   Sir Isaac Pitman & Sons,   1957. 
 - x, 169 p. : 22 cm. 
 - Radio and Ele .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CAPACITORES
<br/><br/><label>Universal Decimal Class. No.: </label>621.319.43