Penfold, R. A. <br/><br/>
Electronic hobbyists handbook  [Books]. 
R.A. Penfold 
 - London  Bernard Babani  1987 
 - Pages: 88 
<br/><br/><label>ISBN: </label>085934178X  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Electronics.
<br/><br/><label>Dewey Class. No.: </label>TK/7815  / PEN