RISC OSMap of G.W. SignalboxesRISC OS
http://www.svrsig.org/gwmap/GWMap.htm
Sxxxx numberSignal Box nameView on map squareOther information including SRS diagram number
S2094 Derry Ormond Map BH65
SN598516
SRS diagram D58
S2093 Lampeter Map BH64
SN581483
SRS diagram B233
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