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 980 Lifton Map BD22
SX396850
SRS diagram not available
S 978 Lydford Map BG22
SX500827
SRS diagram W25/17
Prices are shown here.