Eight minutes, Google Earth tells me it would take from my house. To my shame it takes me two days to reach Linn Park to locate another of Harry Bell’s PSAs, the site of the old Cathcart Castle. On day one I get lost – ironic since this project relies heavily on map reading and one’s ability to find places. Happily there’s an upside to this since I stumbled on the Court Knowe, situated on the opposite side of…