BTL  / B-185 <br/>
Fletcher,Harvey <br/>
       THEORY OF THE OPERATION OF THE HOWLING TELEPHONE 
 / 
 .-  ,  1925 
 .- 23 . 
<br/>Bound With Btl B-140-182, 187-200, Lack No. 142-56,61-62,64,66,67,170-181,83-84,86,90,93-94,98 
<br><U>Copy Details:</u><br> Acc. No.: <b>TR17393</b>, Full Call No.: BTL B-185,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>