Crook, Wilfrid Evelyn. [from old catalog] <br/><br/>
Elementary mathematics for wireless operators, 

 - 2d ed. 
 - London,  Sir I. Pitman & sons, ltd.,  1942. 
 - v, 74 p.  diagrs.  22 cm. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>MCE<br/>Radio.
<br/><br/><label>Dewey Class. No.: </label>510.24621381  / CRO