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
S 201 Compton Map DH46
SU524798
SRS diagram L3
S 203 Hampstead Norris Map DG45
SU527764
SRS diagram P220
S 205 Hermitage Map DG44
SU505726
SRS diagram P220
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