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
S3247 Pwllheli West Map BD85
SH375350
SRS diagram D531 (1909, c. 1950)
Prices are shown here.