[GreenKeys] Model 28KSR Answer Back Mechanism

[Mark Cooper]

Greetings !
     I would really like to retrofit my Model 28KSR with the optional
'Answer-Back' mechanism and it's associated components. If anyone may have
an old Model 28 'TWX' machine 'parts donor' that may have these components,
still installed and would consider parting with those components, I would
really appreciate hearing from you !
Thanks in advance for any assistance that you may be able to provide !  73,
Mark, WN3SIX
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