Military boundary stones, not to be confused with Ordnance Survey datum points, are somewhat of an enigma. Historically they delineate boundaries of military sites, however their use is not consistent…
Often found in coastal artillery forts, this concrete pedestal would have been home to a Depression Range Finder (DRF), an instrument designed in the 1880s used to calculate the distance…
Situated on a rocky headland, Lenan Head Fort (sometimes spelt Leenan) is a British built coastal artillery battery from the late 19th Century. Standing isolated for over 120 years, the Victorian…