SN.628
Revision as of 16:47, 9 November 2014 by Danny (talk | contribs) (Created page with "Back to Control Functions ==Origins== The signal was provided in connection with the installation of reversible signalling between Bourton and Swindon in 1976. It replac...")
Back to Control Functions
Origins
The signal was provided in connection with the installation of reversible signalling between Bourton and Swindon in 1976. It replaced ground position light SN.242.