Piece of barbed steel "Sabretape", one of five, containing fibre optic cable, used as the basic component of a perimeter fence alarm system, made by Pilkington Security Equipment ltd., Denbigh, 1985 Piece of barbed steel "Sabretape" 1985
Fibre optic cable, from piece of barbed steel 'Sabretape', used as the basic component of a perimeter fence alarm system, made by Pilkington Security Equipment ltd., Denbigh, Wales, 1985 Fibre optic cable 1985
Piece of barbed steel "Sabretape", one of five, containing fibre optic cable, used as the basic component of a perimeter fence alarm system, made by Pilkington Security Equipment ltd., Denbigh, 1985 Piece of barbed steel "Sabretape" 1985
Boundary marker, London & North Western Railway and Great Western Railway Joint Railway, stone, from Brymbo, Denbighshire, north Wales, about 1870. London & North Western Railway/Great Western Railway boundary marker circa 1870
Piece of barbed steel "Sabretape", one of five, containing fibre optic cable, used as the basic component of a perimeter fence alarm system, made by Pilkington Security Equipment ltd., Denbigh, Wales, 1985 Piece of barbed steel "Sabretape" 1985