BTS  / MONO 1841 <br/>
Newell,N A <br/>
       SINGLE-FREQUENCY SIGNALING SYSTEM FOR LONG TELEPHONE TRUNKS 
 / 
 .-  ,  1951 
 .- 7 . 
<br/>Bound With Bts Mono 1831-1840,1842-1850 
<br/><U>Author Added Entry: </u><br/>Weaver,A;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR19639</b>, Full Call No.: BTS MONO 1841,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>