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 184 Aldermaston Map DJ43
SU601673
SRS diagram P103
  Burghfield Map DL43
SU693686
SRS diagram D103
S 181 Calcot Map DL44
SU668713
SRS diagram S147
S 185 Midgham Map DI43
SU572666
SRS diagram P103
  Mortimer Map DL42
SU672640
SRS diagram D225
S 179 Oxford Road Junction Map DM44
SU702733
SRS diagram L18
  Pound Green Map DM44
SU694695
SRS diagram D103
S 180 Southcote Junction Map DM44
SU697718
SRS diagram B56
S 182 Theale Map DK43
SU644709
SRS diagram D10
S 183 Ufton Crossing Map DJ43
SU616688
SRS diagram D10
Prices are shown here.