Witts, Alfred T <br/><br/>
Worked radio calculations  graded practical examples, for radio service engineers wireless operators and students of radio 
Alfred T Witts 
 - London  Sir Isaac Pitman and Sons  1952 
 - vi, 126p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA Thesaurus<br/>Radio Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>621.396  / WIT