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
S3403 Marston Magna Map CJ31
ST600223
SRS diagram P153
S3402 Sparkford Map CJ32
ST606264
SRS diagram P153
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