[GreenKeys] Request for a TM

[Til128 at aol.com]

Hi all:
   Would anyone have a copy of the  following tech manual for sale, or one to 
borrow for copying?
 
TM11-680
"Teletypewriter Circuits and  Equipment"
 
Thanks in advance:  

73,
DE Tom Tillson
All things electromechanical.
LL  TTY
NNNN