Just had a great week in Cornwall with our friends. Cornwall for those who have not visited the county, is different, different in speech, different in topography, different in many subtle ways. Building for instance, the older roofs are built differently, no sarking, but across the roof joists  are purlions (i’m guessing here) and the slates (from Cornwall) are lime mortared on. It would appear to be a measure of coping with the different slate depths, the mortar evens it out, least they don’t rattle as mine do in a storm.

It was the walls I wanted to bring to …