Alkin, Glyn <br/><br/>
Sound in educational television 

 - London :    Centre for Educational Television,    1968 
 - 43 p.:    ill.;    22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Sound -- Apparatus<br/> Microphone<br/> Electro-acoustics<br/> Television -- Transmission
<br/><br/><label>Dewey Class. No.: </label>P 534.20028 ALK