[GreenKeys] This will take you back many years...

[Doug Alderdice]

At 12:35 AM 3/2/2009 -0600, Randy or Sherry Guttery wrote:
>Another "fallout" of the mixed equipment - I had been in a couple of 
>switch exchanges - and had never seen a rotary stepper... GT used 
>something called a panel switch in many of it exchanges - which steps in 
>the X and Y plane - rather than a half-circle like a Strowger.

Just as a point of clarification, "panel" was strictly a Bell System 
product used in large city switching centers and worked with vertical 
motor-driven selectors.  The system you are talking about was 
Stromberg-Carlson's XY switch which was found in many independent COs.

Doug, KA2WFT