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Question about semaphores

February 16, 2017 08:38PM
I know most narrow gauge R/R didn't have a lot of signals, but why is there an upper and lower quadrant semaphore? Was it up to the railroad, or is there another reason.
Subject Author Posted

Question about semaphores

John Cole February 16, 2017 08:38PM

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bcp February 16, 2017 08:51PM

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dougvv February 16, 2017 10:42PM

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Etrump February 16, 2017 10:50PM

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dougvv February 16, 2017 11:10PM

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dougvv February 17, 2017 12:43AM

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Chris Walker February 17, 2017 02:42AM

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dougvv February 17, 2017 03:36AM

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T A Hunter February 17, 2017 11:35AM

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WilliamDiehl February 17, 2017 03:59PM

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ND Holmes February 17, 2017 05:05PM

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Brian Norden February 17, 2017 06:39PM

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Chris Walker February 17, 2017 01:15PM

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dougvv February 17, 2017 01:23PM

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Chris Walker February 17, 2017 01:29PM

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dougvv February 17, 2017 01:31PM

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Brent February 17, 2017 10:30AM

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John Cole February 17, 2017 05:20PM

more info on semaphores - PRR SG if you are interested.

dougvv February 17, 2017 04:45PM

Re: more info on semaphores - PRR SG

dougvv February 17, 2017 10:41PM

Re: more info on semaphores - PRR SG

Chris Walker February 17, 2017 11:21PM

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Brian Norden February 17, 2017 06:54PM

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Brent February 17, 2017 07:06PM

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Chris Walker February 17, 2017 08:22PM

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Earl February 17, 2017 08:14PM

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Jim McKee February 18, 2017 11:16AM



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