Beatty, R. T. <br/><br/>
Radio data charts;  a series of forty-four abacs providing most of the essential data required in receiver design / 
R. T.Beatty and  Rev. by J. McG. Sowerby. 
 - Delhi,  Business Promotion Publications,  c1977. 
 - 91 p.  diagrs.   28 cm. 
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<br/><br/><label>LCCN: </label>48016956  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio data.
<br/><br/><label>LC Class. No.: </label>TK6552  / .B4 1947 
<br/><br/><label>Dewey Class. No.: </label>621.3841/BER