I HAVE to ask, WHAT is that strange looking device on top of the pole on the far left ? Don;t recall ever seeing one before.
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In the days before talking detectors, wayside indications sufficed. A "purple" indication meant a train had to stop and inspect for hot journal or dragging equipment and might also indicate shifted load or high water in some locations.
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Slide detector light and alarm from DRG&W days on the Tennessee Pass Line.
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