Image: Railway signals

Description: br:Arouezioù ul linenn e Mirdi Broadel al linenn, Evrog cy:Signalau rheilffordd yn Amgueddfa Genedlaethol y Rheilffordd, Efrog en:Railway signals at the National Railway Museum, York kw:Sinyow hyns-horn yn Gwithti Kenedhlek an Hyns-horn, Evrek
Title: Railway signals
Credit: http://en.wikipedia.org/wiki/Image:Railway_signals.jpg
Author: ChrisO
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