CPL signals and how they operate (NW Mailing List)

[NW Mailing List]

On 1/27/2020 4:17 PM, NW Mailing List wrote:

> /I was completely unaware of intermediate steps between all amber 
> position lights to the colorized version that was in place when I 
> started looking. /

A conductor that I worked with did not remember it happening that way.

Jimmy Lisle

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