Heat Treatment
Jackdaws and mouldable firebrick

My father reported that he’d had a jackdaw fall down his chimney whilst he’d been sailing around the Clyde and Aaran. Being a helpful son, I looked up some websites for “pot toppers”, “chimney hats” and “Bird Guards”. Whilst looking
Making things in the oven

I’ve been reading in Tubal Cain’s book on heat treatment and he suggests that a domestic fire can be used for hardening and an electric oven can be used for tempering. I have seen some “portable pizza” ovens that could