BTS  / MONO B-630 <br/>
Jones,W C <br/>
       A MOVING COIL MICROPHONE FOR HIGH QUALITY SOUND REPRODUCTION 
 / 
 .-  ,  1931 
 .- 17 . 
<br/>Bound With Bts Mono B-600-29,631-37 Lack No.601,608-9,612,615,617,619,621,624,635 
<br/><U>Author Added Entry: </u><br/>Giles,L W;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR17479</b>, Full Call No.: BTS MONO B-630,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>