Rayer, F. G.   1921 <br/><br/>
Audio projects /  [Book]. 
F. G. Rayer.  
 - London :   Bernard Babani (publisher) Ltd.,   1981 
 - 90p. :   ill. ;   19cm. 
 - BP ;  90 .
<br/><br/><label>ISBN: </label>0859340651 
<br/><br/><label>Subjects--Topical Terms: </label><br/>High-fidelity sound systems--Amateur's manuals.