The Ordnance Survey Triangulation Pillar on Cronk Ny Arrey Laa (TP2609) has Flash Bracket No.: 11215
Its current status is as Passive Station although historically it was a Secondary Station.
Further information on this Triangulation Pillar and other triangulation pillars, benchmarks and cut marks etc., can be found on the TRIGPOINTINGUK website.
Scientific - Misc
Links: trigpointing.uk
By: Mike_bjm