Turner, L. B. <br/><br/>
Wireless :  a treatise on the theory and practice of high-frequency electric signalling / 
by L. B. Turner 
 - Cambridge, Eng. :  The University Press,  1931 
 - xvii, 528 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telegraph, Wireless<br/>Radio