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
  Dousland Map BH18
SX536688
SRS diagram D1 (old and new boxes)
S 974 Horrabridge Map BG18
SX511694
SRS diagram W25/15
  Princetown Map BJ20
SX587735
SRS diagram W25/23
S 976 Tavistock South Map BG19
SX481741
SRS diagram S843
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